Use Excel to find the z-scores that bound the middle 82% of the
area under the standard normal curve. Enter the answers in
ascending order. Round the answers to two decimal places. The
z-scores for t

The right response is (b), as it increases the minimum sample size required to ensure a given margin of error.

When a tiny sample of data from a relatively large population is estimated, this is what is meant by the term "margin of error" .  The standard deviation, sample size, and desired confidence level are often the factors that control the margin of error.

calculation

Let's take a look at the values in the supplied statement to discover the missing term.

the population's standard deviation is where

m stands for "Margin of Error," and Z stands for "Empirical Value of Z-Score" at a specific confidence level.

As a result, the recommended minimum sample size for a particular degree of confidence is

⇒ (Z×σ)²/m²

The minimal sample size is directly correlated with the population's standard deviation, as shown by the calculation above.

Therefore, when the population "standard deviation" increased, the minimal sample size needed would also "rise."

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The domain of the given function problem is: 0 ≤ h ≤ 12

The domain of a function is defined as the set of all possible input values for which the function exists.

Meanwhile, the range of a function is defined as the set of all possible output for the possible domain values.

We are given the function as:

L(h) = 42 - 3.5h

where h is the number of hours after opening for the day.

L(h) is the number of loaves of bread remaining in a restaurant h hours after opening for the day

Thus, maximum that can be left is 0.

Thus:

Max domain:

42 - 3.5h = 0

3.5h = 42

h = 12

Thus, domain is:

0 ≤ h ≤ 12

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Complete question is:

The number of loaves of bread remaining in a restaurant h hours after opening for the day can be modeled by this function.

L(h) = 42 - 3.5h

What is the domain of the function?

Answer:

width = 12 ft

Step-by-step explanation:

A = w * l

w = a/ 1 = 204/ 17 = 12 ft

The mean temperature in Cleveland, OH, was 64°F. The accumulated degree days for Cleveland on 6-7 September 2022 were 1. The rest of Ohio accumulated degree days during the same period.

Based on the given information, the maximum temperature in Cleveland was 70°F and the minimum temperature was 58°F. To find the mean temperature, we add the maximum and minimum temperatures and divide by 2: (70°F + 58°F) / 2 = 128°F / 2 = 64°F.

Degree days are a measure of heating or cooling requirements. In this case, since the mean temperature in Cleveland was lower than a certain base temperature, degree days were accumulated. The base temperature is typically set at 65°F for cooling and 55°F for heating. Since the mean temperature in Cleveland was below the base temperature, the accumulated degree days are heating degree days (HDD).

For the specific date of 6-7 September 2022, Cleveland accumulated 1 heating degree day (HDD). This means that the average temperature for that period was 1 degree below the base temperature of 55°F.

The remaining stations in Ohio also accumulated heating degree days (HDD) on 6-7 September 2022. This indicates that the temperatures across the rest of Ohio were below the base temperature during that period.

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The 18th term of the arithmetic sequence -13, -9, -5, -1, 3,... is 55. Thus, the right answer is option A. which is A(18) = 55

Arithmetic Progression is a sequence of numbers in which the difference between two numbers in the series is a fixed definite value.

The specific number in the arithmetic progression is calculated by

\(a_n=a_1+(n-1)d\)

where \(a_n\) is the term in arithmetic progression at the nth term

\(a_1\) is the initial term in the arithmetic progression

d is the difference between two consecutive terms

In the given question, \(a_1\) = -13

d = -9 - (-13) = 4

Therefore, to calculate the 18th term,

\(a_{13}=a_1+(18-1)d\)

= -13 + (17) 4

= -13 + 68

= 55

Hence, the 18th term of the above AP is 55

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Answer:

65

Step-by-step explanation:

set up the equation:

PQK+KQR=PQR

(14x-5)+(102)=(34x-3)

calculate the equation

you'll get x=5

put 5 into PQK

14(5)-5= 65

The volume of an ice cube produced by this machine is of:

Volume ice cube = 1 inch³

  A volume is the physical space that an object occupies in space, although it is also defined as the capacity of space that a hollow object may have.

If this machine produces ice that has a cube shape with a side of 1 inch, then to know the value of the volume of these cubes we will use the following equation:

Volume cube = side x side x side

Volume cube = side³

side = 1 inch

Volume ice cube = 1 inch³

As the side is 1 the volume and area will be 1 but with corresponding unit

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a) The circle crosses the y-axis at the points (0, 6) and (0, -2). b) the radius of the circle is 5. c) (i) The length of CP is √34. (ii) The length of PQ is 10.

(a) To find the y-coordinates of the points where the circle crosses the y-axis, we substitute x = 0 into the equation of the circle:

0² + y² + 6(0) - 4y = 12

y² - 4y = 12

y² - 4y - 12 = 0

To solve this quadratic equation, we can factor it:

(y - 6)(y + 2) = 0

Setting each factor to zero, we find two possible values for y:

y - 6 = 0 => y = 6

y + 2 = 0 => y = -2

Therefore, the circle crosses the y-axis at the points (0, 6) and (0, -2).

(b) To find the radius of the circle, we can complete the square to rewrite the equation of the circle in standard form:

x² + y² + 6x - 4y = 12

(x² + 6x) + (y² - 4y) = 12

(x² + 6x + 9) + (y² - 4y + 4) = 12 + 9 + 4

(x + 3)² + (y - 2)² = 25

Comparing this equation with the standard form of a circle, (x - h)² + (y - k)² = r², we can see that the center of the circle is at (-3, 2) and the radius is √25 = 5.

Therefore, the radius of the circle is 5.

(c) (i) To find the length of CP, we can use the distance formula between two points. The coordinates of C are (-3, 2), and the coordinates of P are (2, 5).

The distance formula is given by:

d = √((x₂ - x₁)² + (y₂ - y₁)²)

Substituting the coordinates into the formula, we have:

CP = √((2 - (-3))² + (5 - 2)²)

= √(5² + 3²)

= √(25 + 9)

= √34

Therefore, the length of CP is √34.

(ii) To find the length of PQ, we can use the fact that PQ is a tangent to the circle. The radius of the circle is 5, and the line segment CP is perpendicular to PQ.

Since CP is perpendicular to PQ, CP is the radius of the circle. Therefore, CP = 5.

Therefore, the length of PQ is equal to 2 times the length of CP:

PQ = 2 * CP

= 2 * 5

= 10

Therefore, the length of PQ is 10.

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The displacement function for the given velocity function is s(t) = (2/3)t³ - sin(t) - (0.25)t² + C, where C is the constant of integration that depends on the initial displacement of the particle at t = 0.

The displacement function for the given velocity function v(t) = 2t² — cos(t) — 0.5t, with the initial displacement at t = 0, can be obtained by integrating the velocity function over time. The resulting displacement function represents the change in position of the particle as a function of time.

To find the displacement function, we need to integrate the given velocity function, v(t), with respect to time. The displacement, denoted as s(t), represents the change in position of the particle as a function of time. Therefore, we can write:

s(t) = ∫[v(t) dt]

Using the antiderivative or integral rules, we can integrate each term of the velocity function separately. The integral of 2t² is (2/3)t³, the integral of cos(t) is sin(t), and the integral of 0.5t is (0.25)t². Thus, the displacement function becomes:

s(t) = (2/3)t³ - sin(t) - (0.25)t² + C

Here, C represents the constant of integration. To determine the value of C, we need the initial displacement at t = 0. The question does not provide this information, so we cannot calculate the exact displacement function without knowing the initial displacement.

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The given equation has one solution which is x = 6 (which is a REAL number).

Linear Equation Solutions are the values of a variables in linear equations that give all possible solutions. Linear equations represent real-world problems by involving unknown quantities with in form with one or more variables.

Some key concepts regarding the solution of linear equation are-

Now, for the given question;

The linear equation is -

4x + 9 = 33

Solving this;

4x = 33 - 9

4x = 24

x = 24/4

x = 6

Therefore, the solution of the given linear equation is (x=6), where 6 is the real number.

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The complete question is-

The given equation is either linear or equivalent to a linear equation. Solve the equation. (If there is no solution, enter NO SOLUTION. If all real numbers are solutions, enter REALS.)

4x + 9 = 33

Answer: The maximum value of the function is 4

Answer:

Acute

Step-by-step explanation:

HOPE THIS HELPS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer:

right triangle

Step-by-step explanation:

The square of the longest side is equal to the sum of the squares on the other 2 sides, that is

17² = 289

8² + 15² = 64 + 225 = 289

Thus by Pythagoras' identity the triangle is right

The function f(x) = -x2+5 is thus represented by the quadratic functions in the first graph.

A quadratic function has the formula f(x) = ax2 + bx + c, with a, b, and c being integers and a not equal to zero.  Parabolas can have openings that are upward or downward, different "widths" or "steepnesses," but they all share the same fundamental "U" shape.

here calculation

The function provided is f(x) =  -x2+5

.... (1) (1)

We must locate the function's graph.

The quadratic function's vertex form is f(x)= a(x-h)2 + k.... (2)

When we compare (1) and (2), we obtain

h=0 , k=5

It denotes that the function's vertex is (0,5).

The values list is

x           y

-2            1

-1            4

0            5

1            4

2           1

Place all ordered pairings on a coordinate plane, and then use a free-hand curve to link them.

The function f(x) = -x2+5 is thus represented by the quadratic functions in the first graph.

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Answer:

Given

f(x) =–x^2 + 5

Required

Graph the function

Explanation

Step 1: Find the value of the function for the values of x = -2, -1, 0, 1, 2:

Step 2: Now, we have 5 points with which we can plot the graph:

Step 3: Plot the points and graph the function:

That is the graph of the function.

The expressions are not equivalent, even though they look similar.

Sarah's expression is 5(2j + 3j), which simplifies to 5(5j) or 25j.

To write an expression that looks like Sarah's expression but is not equivalent, we can use any other set of coefficients that multiply the same sum of terms. For example:

3(2j + 3j)

This expression has the same form as Sarah's expression (a coefficient multiplied by the sum of two terms involving the variable j), but the coefficient 3 is different from the coefficient 5 in Sarah's expression. Therefore, the expressions are not equivalent, even though they look similar.

Note that when we say two expressions are equivalent, we mean that they have the same value for all possible values of the variable j. In this case, the expression 5(2j + 3j) is equivalent to 25j because they have the same value for all possible values of j. However, the expression 3(2j + 3j) is not equivalent to 25j because it has a different value for some values of j.

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The probability that 3 out of the 4 captured elk have been tagged is approximately 0.0053.

We can use the concept of combinations.

The total number of ways to choose 4 elk out of 24 is given by the combination formula:

C(24, 4) = 24! / (4!(24-4)!) = 10,626

Now, we need to consider the number of ways to choose 3 tagged elk out of the 8 tagged elk and 1 untagged elk. The number of ways to do this is given by:

C(8, 3) * C(1, 1) = 8! / (3!(8-3)!) * 1! / (1!(1-1)!) = 56

Therefore, the probability that 3 out of the 4 captured elk have been tagged is:

P = (Number of ways to choose 3 tagged elk out of 8 tagged elk and 1 untagged elk) / (Total number of ways to choose 4 elk out of 24)

P = 56 / 10,626

Calculating this division gives us the probability:

P ≈ 0.0053

So, the probability that 3 out of the 4 captured elk have been tagged is approximately 0.0053 .

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Answer: A

Step-by-step explanation:

r = j + 3

We subtitube r to find j,

r = 9          j = 9 + 3 = 12

r = 15         j = 15 + 3 =18

r = 21         j = 21 + 3 = 24    

And we found A as answes.

Answer:

Step-by-step explanation:

Table C is the correct one

The results of a study are said to be replicable when researchers using new subjects come to the same conclusion. Replicability is important in research as it ensures the validity and reliability of the study findings.

The results of a study are said to be replicable when researchers using new subjects come to the same conclusion. Replicability is an important aspect of scientific research because it ensures that the findings are not simply a result of chance or bias. If a study cannot be replicated, it may be difficult to draw firm conclusions or generalize the findings to a broader population. However, it is important to note that replicability does not guarantee that the study is both statistically significant and meaningful.

A study may be replicable but still have limited practical or theoretical value. The p-value and significance level are important measures of statistical significance, but they do not necessarily indicate replicability. Finally, while statistics are knowable, parameters (such as population mean or variance) are typically unknown and must be estimated from the sample data.

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A-B=(a p I v e) -(a c t)

=(p l v e) is the correct answer

The stationing of the end of the excavation is Station 2+080.

The volume of fill by end area method is 1440 cubic meters.

The volume of excavation by end area is 1080 cubic meters.

We have,

The stationing of the end of excavation can be determined by adding the given sections to the starting station.

Assuming the starting station is Station 2+020, the end of excavation would be at Station 2+080 (given as Station 2+020 + 60 meters).

To find the volume of fill by end area method, we need to calculate the area of the end section and multiply it by the distance between the start and end stations.

Given that the base for fill is 12 meters and the sideslope for fill is 2:1, the area of the end section can be calculated as follows:

Area of end section = (Base for fill) * (Sideslope for fill)

Area of end section = 12 * (2/1) = 24 square meters

Now, multiply the area of the end section by the distance between the start and end stations (60 meters) to find the volume of fill:

Volume of fill = Area of end section * Distance

Volume of fill = 24 * 60 = 1440 cubic meters

Therefore, the volume of fill by end area method is 1440 cubic meters.

Similarly, to compute the volume of excavation by end area, we calculate the area of the end section (base for cut * sideslope for cut) and multiply it by the distance between the start and end stations. Given that the base for cut is 12 meters and the sideslope for cut is 1.5:1, the area of the end section can be calculated as follows:

Area of end section = (Base for cut) * (Sideslope for cut)

Area of end section = 12 * (1.5/1) = 18 square meters

Multiply the area of the end section by the distance between the start and end stations (60 meters) to find the volume of excavation:

Volume of excavation = Area of end section * Distance

Volume of excavation = 18 * 60 = 1080 cubic meters

Therefore, the volume of excavation by end area is 1080 cubic meters.

Thus,

The stationing of the end of the excavation is Station 2+080.

The volume of fill by end area method is 1440 cubic meters.

The volume of excavation by end area is 1080 cubic meters.

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Answer:

0.15%

Step-by-step explanation:

red is 3

the total is 20

percentage of red counters = 3 ÷ 20 = 0.15%

Answer:

x=7 is not linear because its just an equation

Answer: 69.9 - 5 = 64.9

Step-by-step explanation:

Have an awesome day :D

Statistical analyses are least likely to be found in a (D) qualitative research.

Therefore, statistical analyses are least likely to be found in a (D) qualitative research.

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The median is 18.5, and it represents the typical age of the runners.

Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data.

The given ages of 12 runners in a recent marathon are listed.

35, 17, 34, 14, 28, 20, 18, 15, 14, 19, 17, 31

Let us arrange the numbers in ascending order

14, 14, 15, 17, 17, 18, 19, 20, 28, 31, 34, 35

The middle most terms are 18 and 19

18+19/2

37/2

18.5

Hence, the median is 18.5, and it represents the typical age of the runners.

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Answer:

Step-by-step explanation:

minus 3 from 11 u get 8 half of that is

Answer:

Each pack of pens cost $4.

Step-by-step explanation:

11-3=8

8/2=4

Each pack of pens costs $4

CHECK:

2x4=8

3+8=11

;)

Answer:

Y intercept is -5

Step-by-step explanation:

It is negative five because it goes through the y axis at -5

The electric potential 10.0 cm from the surface of the sphere is 2.7 × 10^5 V.

The electric potential 10.0 cm from the surface of the sphere can be found using the formula for electric potential due to a point charge:

V = kQ / r

Where V is the electric potential, k is Coulomb's constant (9 × 10^9 Nm^2/C^2), Q is the charge on the sphere (30.0 μc or 3.0 × 10^-5 C), and r is the distance from the surface of the sphere (10.0 cm or 0.1 m).

Plugging in the values, we get:

V = (9 × 10^9 Nm^2/C^2) × (3.0 × 10^-5 C) / (0.1 m)

V = 2.7 × 10^5 V.

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Answer: A,C,D

Step-by-step explanation:

Answer:

pretty sure it's a, c, and d

Step-by-step explanation:

polygons have straight sides, not curved. it's a 2d figure, and it is enclosed. b doesn't fit the criteria of that because of the fact that the shape is a bit curved, as the other options do fit that criteria.

Answer:

8

Step-by-step explanation: