If anyone could help please :)

A discrete random variable can only assume a finite number of values, while a continuous random variable can take on any value within a range.

A random variable that can only take on a finite number of possible values is known as a discrete random variable.

Consider the number of defective light bulbs in a box of ten light bulbs. Because the number of defective bulbs might be 0, 1, 2, 3, or more, it is a discrete random variable.

It is a continuous random variable if the random variable can take on any value within a range. For example, the height of an individual can range from 5 feet 0 inches to 6 feet 5 inches; this is a continuous random variable.

Discrete random variable: It can only assume a specific number of values and is usually used for counting.

It is a random variable with a finite number of outcomes, like flipping a coin or rolling a dice.Continuous random variable:

It can take on any value in a range and is usually used for measuring.

It is a random variable that has a range of outcomes and is described using intervals instead of individual values.

For instance, the number of red M&M's in a jar is discrete, while the weight of a student is continuous.

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5. 70

6. not sure sorry :/

The exact forecasted number of customers to be served on each of the next five business days, rounded to one decimal place, are as follows:

Tuesday: 389.1

Wednesday: 368.7

Thursday: 326.5

Friday: 510.9

To forecast the number of customers served on each of the next five business days using Winters' method, we need to follow these steps:

Calculate the seasonal factor for each day by multiplying the seasonal index by the level.

Monday: 1.10 × 20 = 22

Tuesday: 0.95 × 20 = 19

Wednesday: 0.90 × 20 = 18

Thursday: 0.80 × 20 = 16

Friday: 1.25 × 20 = 25

Update the level and trend using the following formulas:

New Level = α × (Actual Value / Seasonal Factor) + (1 - α) × (Previous Level + Previous Trend)

New Trend = β × (New Level - Previous Level) + (1 - β) * Previous Trend

For Tuesday:

New Level = 0.2 × (30 / 22) + 0.8 × (20 + 1) = 20.3636

New Trend = 0.1 × (20.3636 - 20) + 0.9 × 1 = 0.0364

Forecast the number of customers served on each subsequent day using the formula:

Forecast = (New Level + Forecasted Trend) × Seasonal Factor

Tuesday Forecast = (20.3636 + 0.0364) × 19 = 389.0909

Wednesday Forecast = (20.3636 + 0.0364) × 18 = 368.7273

Thursday Forecast = (20.3636 + 0.0364) × 16 = 326.5455

Friday Forecast = (20.3636 + 0.0364) × 25 = 510.9091

Therefore, the forecasted number of customers to be served on each of the next five business days, rounded to one decimal place, are as follows:

Tuesday: 389.1

Wednesday: 368.7

Thursday: 326.5

Friday: 510.9

The question should be: A local bank is using Winters' method with α = 0.2, β= 0.1, and γ = 0.5 to forecast the number of customers served each day. The bank is open Monday through Friday. At the end of the previous week, the following seasonal indexes have been estimated: Monday, 1.10; Tuesday, 0.95; Wednesday, 0.90; Thursday, 0.80; Friday, 1.25. Also, the current estimates of level and trend are 20 and 1. After observing that 30 customers are served by the bank on this Monday, forecast the number of customers who will be served on each of the next five business days. Round your answers to one decimal place, if necessary.

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Answer:

excusme where is the model

Step-by-step explanation:

Answer:

The first one

because there is only one parent is the photo that i'm looking at

Answer:

2

Step-by-step explanation:

Lol 1+1= 2

The best description about the sampling distribution of means for the student's sample is mu x = 45, sigma x = 3.75, shape of distribution unknown.

Sampling distribution is defined as the probability distribution of a statistical measure which is got by the repeated sampling of a specific population.

Given that,

μ = 45 minutes and σ = 15 minutes

Sampling distribution of means for the student's sample is :

μₓ = μ = 45

σₓ = σ / √n, where n is the sample size.

σₓ = 15 / √(16) = 15 / 4 = 3.75

Now since the sample size 16 which is less than 30, shape of the distribution is unknown.

Hence the sampling distribution is, μₓ = 45, σₓ = 3.75, and the shape of distribution is unknown.

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Answer:

hence the midpoint of AB is 1/2,1

Step-by-step explanation:

A(-2,5)

B(3,-3)

now midpoint of AB is given by

\(mid \: point \: of \: ab = (\frac{ - 2 + 3}{2} ) \: ( \frac{5 - 3}{2} ) \\ = ( \frac{ 1}{2} ) \: (1)\)

The formula for a line segment is:

segment = √((x2 - x1)^2 + (y2 - y1)^2)

1. Calculate the difference between the x-coordinates: x2 - x1

2. Square the result of step 1: (x2 - x1)^2

3. Calculate the difference between the y-coordinates: y2 - y1

4. Square the result of step 3: (y2 - y1)^2

5. Add the results of step 2 and step 4: (x2 - x1)^2 + (y2 - y1)^2

6. Calculate the square root of the result of step 5: √((x2 - x1)^2 + (y2 - y1)^2)

This final result is the length of the line segment.

The formula for a line segment is relatively straightforward. Begin by calculating the difference between the x-coordinates (x2 - x1) and square the result. Then find the difference between the y-coordinates (y2 - y1) and square the result. Add the two results together and take the square root of the sum. This final result is the length of the line segment. This formula can be used to calculate the length of any line segment, regardless of its size or shape.

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The control limits for the ranges are:

LCL = 0 and UCL = 0.336.

Here are the steps to calculate the control limits for averages and ranges:

Sample size = 4; X = 70; R = 7a.

The control limits for the averages

LCL = Xbar - A2R = 70 - (0.729 x 7) = 65.09

UCL = Xbar + A2R = 70 + (0.729 x 7) = 74.91

Therefore, the control limits for the averages are:

LCL = 65.09 and UCL = 74.91

The control limits for the ranges

LCL = D3

R = 0 x 7

  = 0

UCL = D4

R = 2.282 x 7

  = 15.974

Therefore, the control limits for the ranges are:

LCL = 0 and UCL = 15.974

Sample size = 5;

X = 4.43;

R = 0.103

b. The control limits for the averages

LCL = Xbar - A2R = 4.43 - (0.577 x 0.103) = 4.377

UCL = Xbar + A2R = 4.43 + (0.577 x 0.103) = 4.483

Therefore, the control limits for the averages are:

LCL = 4.377 and UCL = 4.483

The control limits for the ranges

LCL = D3R = 0 x 0.103 = 0UCL = D4R = 3.267 x 0.103 = 0.336

Therefore, the control limits for the ranges are:

LCL = 0 and UCL = 0.336.

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The predicted value of y when x = 3, based on the least-squares regression line equation y = 50 - 15x, is y = 50 - 15(3) = 5.

The given least-squares regression line equation y = 50 - 15x represents a linear relationship between the variables x and y. In this equation, the coefficient of x (-15) represents the slope of the line, and the constant term (50) represents the y-intercept.

To find the predicted value of y when x = 3, we substitute x = 3 into the equation and solve for y. Plugging in x = 3, we have y = 50 - 15(3). Simplifying this expression, we get y = 50 - 45 = 5.

Therefore, when x = 3, the predicted value of y based on the least-squares regression line is 5. This means that according to the regression line, when x is 3, the expected or estimated value of y is 5.

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3-44x

hope that helped if yes give me brainliest and if no draw my attention by hitting the comment section

The solution of each of the equations for the variable indicated in each case are as follows;

It follows from the task content that the equations given are to be solved for the variables indicated.

The equations can therefore be solved as follows;

11. u = vw + z

Isolate vw so that we have;

vw = u -z; Divide both sides by w;

v = (u - z)/w.

12. x = b - cd

Isolate cd so that we have;

cd = b -x; Divide both sides by d;

c = (b - x)/d.

13. fg - 9h = 10j

Isolate fg so that we have;

fg = 10j + 9h; Divide both sides by f;

g = (10j + 9h)/f.

14. m - p = -n

Isolate m; so that we have;

m = p - n.

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Answer:

Step-by-step explanation:

(-4 + 8)/(4 - 6)= 4/-2 = -2

y + 8 = -2(x - 6)

y + 8 = -2x + 12

y = -2x + 4

2x + y = 4

Answer:

The area would be 80

Step-by-step explanation:

Firstly we need the scale factor

At 2 to 5, the scale factor is 5/2 = 1 to 2.5

Mathematically, we have the area of a triangle as:

1/2 * b * h

So, if the other side is x ;

we have that :

1/2 * x * 2 = 8

2x = 16

x = 8

The bigger other side will be;

2.5 * 8 = 20

So the area of the second will be;

1/2 * 20 * 8 = 80

An all-night study session can help you catch up on school assignments. The only way to become a straight-A student is efficient study habits.

Most students pseudo-work and end up wasting valuable time.

The correct option is (C)

This is based on an article about pseudo-working which is something that students do where they read for long hours and appear very serious in reading when in fact they do not focus on the reading and therefore end up not grasping much.

The author was trying to express that most students do this and that it is simply a waste of time which could have been spent actually studying.

The correct option is (C).

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The given question is incomplete, complete question is:

What central idea about studying does the author express in Passage 1?

A Straight-A students know how to work harder than other students.

B The only way to become a straight-A student is efficient study habits.

C Most students pseudo-work and end up wasting valuable time.

D An all-night study session can help you catch up on school assignments.

Answer: 10 I think

Step-by-step explanation: Jill sold half and you dont know how much it is you know that now she has 36, but before she bought 16 so 36 - 16 = 20 but she sold half

Answer:10 magazines

Step-by-step explanation:

36-16/2=m

20/2=m

10=m. m=magazine

Answer:

$14.92

Step-by-step explanation:

To find the sales tax, you would multiply $14.08 by 6%.

6% = 0.06

0.06*14.08 =  0.8592

Then add the sales tax to the original price to find how much the total costs.

0.8592 + $14.08 = $15.1792

Round $15.1792 to the nearest cent since its money.

So its $14.92

Answer:

11 ?

Step-by-step explanation:

2(5+4)-7

10+8-7

18-7 =11

Answer: (1, 4)

Step-by-step explanation:

When you reflect over y=x, (x, y) turns into (y, x).

So the coordinates of C' are (1, 4).

To determine the convergence or divergence of the series Σ((-1)^n * sqrt(n^2 + 7)) from n = 0 to infinity, In this case, the terms alternate in sign and the limit as n approaches infinity of the absolute value of the terms is indeed zero. Therefore, the series converges.



The given series Σ((-1)^n * sqrt(n^2 + 7)) can be evaluated using the Alternating Series Test. The test requires two conditions to be satisfied for convergence: alternation of signs and the absolute value of the terms approaching zero.

Firstly, we observe that the terms in the series alternate in sign due to the (-1)^n factor. This satisfies one condition of the Alternating Series Test.

Secondly, we need to evaluate the limit as n approaches infinity of the absolute value of the terms, which is sqrt(n^2 + 7). As n becomes larger, the dominant term within the square root is n^2. Therefore, the limit of sqrt(n^2 + 7) as n approaches infinity is equal to the limit of sqrt(n^2) = n. Since the limit of n as n approaches infinity is infinity, the absolute value of the terms does not approach zero.

As a result, the series does not meet the second condition of the Alternating Series Test. Consequently, we cannot conclude that the series converges based on this test.

Please note that the provided answer is based on the information given. However, there might be other convergence tests that could be applied to determine the convergence or divergence of the series more conclusively.

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Answer:

the number 8

Step-by-step explanation:

Answer:

The answer is A. 0.284

Step-by-step explanation:

Numbers that have a line above them represent that they never end.  Since an irrational number is a number that never ends, option A is our answer.

A solution of \(y" + 2y' + 2y = 3f1(t) + f2(t)\) using the superposition principle is given by: \(y = ((3-f2(t))/8) y1 + ((1+3f1(t))/8) y2\)

It be found by taking a linear combination of the two given solutions y1 and y2. Let c1 and c2 be constants, then the solution y can be expressed as y = c1y1 + c2y2.  To find c1 and c2, we differentiate y twice and substitute it into the given differential equation:

\(y' = c1(2cos(3t) - 6tsin(3t)) + c2(-6e^-{t sin(6t)} - e^{-t cos(6t)})\)

\(y" = c1(-18sin(3t) - 36tcos(3t)) + c2(-36e^{-t sin(6t)} + 12e^{-t cos(6t)})\)

Substituting these expressions for y and its derivatives into the differential equation and simplifying, we get: \((3c1 + c2) f1(t) + (c1 + 3c2) f2(t) = 0\)

Since this must hold for all t, we can equate the coefficients of f1(t) and f2(t) to zero to get the system of equations: \(3c1 + c2 = 3, c1 + 3c2 = 1\)

Solving for c1 and c2, we get \(c1 = (3-f2(t))/8\) and \(c2 = (1+3f1(t))/8.\)

Note that this solution is valid only if f1(t) and f2(t) are continuous and differentiable.

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Answer:

(y + 10)(3y - 1)

Step-by-step explanation:

3y² + 29y - 10

consider the factors of the product of the coefficient of the y² term and the constant term which sum to give the coefficient of the y- term.

product = 3 × - 10 = - 30 and sum = + 29

the factors are + 30 and - 1

use these factors to split the y- term

3y² + 30y - y - 10 ( factor first/second and third/fourth terms )

= 3y(y + 10) - 1 (y + 10) ← factor out (y + 10) from each term

= (y + 10)(3y - 1)

3y² + 29y - 10 = (y + 10)(3y - 1) ← in factored form

The 16% variability in weight can be explained by the relationship with height.

What is correlation?

In statistics, there are three different forms of correlation: positive, negative, and no correlation.

The link between two variables is said to be positive correlated when both variables move in the same direction. When one variable decline (or grows) while the other variable lowers (or increases), there is a positive perfect correlation, denoted by the number +1.

When two variables are correlated negatively, both of the variables are moving in the opposing direction. When one variable rises (or falls) while the other rises (or falls), there is a negative perfect correlation, which is symbolised by the number -1.

No correlation, which is represented by 0, means that there is no connection or reliance between the two variables.

On the basis of provided information, the correlation between the height and weight for adults is,

r = +0.4

So, the coefficient of determination is calculated as,

\(r^{2} = (0.40)^{2}\) = 0.16 = 16%

Based on the provided information, the required answer is 16%.

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Most likely I have scored 375 3-point darts.

The expected (mean) value of the total points is as follows, with a 50% chance of scoring 1-point darts and the same for 3-point darts:50 percent of the 500-point darts score and 50 percent of the 500-point darts score. The anticipated number of points is 1 point multiplied by 1/2 (500) times 3 points yielding 1000 points.

The equality of distribution between the 1-point and 3-point scoring indicates that you scored 1500/1000, or 1.5 times the means, assuming that you actually scored 1500 points in total. That indicates that 1500 points are equal to 1.5 (.5) 500 (1 point) plus 1.5 (.5) 500 (3 points). Therefore, you scored 1.5 (.5) 375 3-point dart hits.

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Answer:

9.5x + -11y

Step-by-step explanation:

4(2x - 2y) - 3y + 3/2x

8x - 8y - 3y + 1.5x

(8x + 1.5x) + (-8y - 3y)

9.5x + -11y

why we to 4(2x - 2y)?

because we have a rule we need to do it and we have to always start with the bracket then the exponent than the multiplication and division than addition and subtraction, let's go back to the question, waste of time .

CONTINUE!!! after we do the bracket we divide 3/2x, then we arrange them the proper way than we simplify them and done then you get  9.5x + (-11y)

Answer:

x = 83.7 units

Step-by-step explanation:

Using cosine rule:

→ adjacent/hypotenuse = cos(∅)

→ 56/hypotenuse = cos(48)

→ hypotenuse = 56/cos(48)

→ hypotenuse = 83.7 units

Answer:

83.7

Step-by-step explanation:

We can solve this using SOHCAHTOA:

RQ is adjacent to angle Q and x is the hypotenuse, so we must use the cosine function.

\(cosQ = \frac{RQ}{SQ}\\ cos(48) = \frac{56}{x}\\ x = \frac{56}{cos(48)}\\ x = 83.7\)