will receive ast 6 calls. more calls. ost 5 calls.

Q: 2/ Let the Polf fext = then E(X) is 2. 225 (30-x) 225 ③2x815 15 ≤x≤ 30

A: It is given that  The pdf of X is, f(x) = {  x/225,   0≤x≤15              (30-x)/225,   15≤x≤30 }.

Q: The population mean and standard deviation are given below. Find the required probability and…

A: here given ,  population mean = 23 population standard deviation  = 1.15  n =  61

Q: Find the margin of error for the given values of c, s, and n. c=0.99, s=2.1, n=17 Click the icon to…

A: Given,c=0.99 , s=2.1 , n=17degrees of freedom(df)=n-1df=17-1=16α=1-0.99=0.01α2=0.005t0.005(16)=2.921…

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A: Suppose a study of driving under influence and driving without seatbelt produced the following data:…

Q: Q3: Choose the correct answer Let X-F(4,8), then 2. The value of Var (X) is

A: Formula: If X follows F(c, d), then VX=2d2c+d-2cd-22d-4   In the given situation, c=4 and d=8.

Q: Suppose that you have 7 green cards and 5 yellow cards. The cards are well shuffled. You randomly…

A: Given,no.of green cards=7no.of yellow cards=5Total no.of cards=12

Q: Let X denote the amount of time in hours that a battery on a solar calculator will operate…

A: Given,f(x)=253x-3     ;  2<X<10

Q: probability that the member selected at random i from the shaded area of the graph is (Round to four…

A: Given that.   X~N( μ , ?^2 )   μ=20.5   , ?=5.3   Z-score =( x - μ )/?

Q: Pandora, the owner of a food delivery app, knows from experience that the time needed to assemble a…

A: (A)   Obtain the proportion of food deliveries that took less than 15 minutes to assemble. The…

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A:

Q: The numbers of courses taught per semester by a random sample of university professors are shown in…

A: Given data The number of courses taught per semester by a random sample of university professors are…

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A:

Q: No long expalanation needed. Write the solutions legibly. UPVOTE will be given! STATISTICS AND…

A:

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: Givenp=0.86n=14

Q: et it be the probability density function. [ f(x2= n-x 2(1-2). ax Let it be Y = e x=0,1,2, So E(Y)…

A: Solution

Q: 4- If X is an exponential with parameter 1, then 2X is chi-square with 2 degrees of freedom. O True…

A:

Q: a) Using a sample size of 75, construct a 95% confidence interval estimate of the mean birth weight…

A: here given ,  A study has been conducted to verify the mean of birth weight at Apple County. From…

Q: Tor e 2. determine the ratio of the likelihood function A(x: 00, 0₁) = L(x: 00) L(x: 01)

A:

Q: 1 mL of a bacteriophage suspension is mixed with 20 mL of a bacterial culture and 50% of the phages…

A: Answer:

Q: -Given that P(a) = 0.2 and P(b) = 0.6, in which of the following joint probability table: are P(A)…

A: Independent: If two events are independent if P(A and B)=P(A)*P(B). Here P(a)=0.2 and P(b)=0.6.

Q: biologist studying a hybrid tomato found that there is a probability of 0.70 that the seeds will…

A:

Q: The number of air safety inspectors for selected years is shown in the table. Year 1996 1997 1998…

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Q: Suppose that a Markov chain has the following transition matrix a az az a as a 4 000 The recurrent…

A: Given a markov chain has the following transition matrix. We have to find the recurrent states.

Q: Amy rents a table at a fair, for which she is charged a $10 daily rental fee. She purchases apples…

A: Answer: 150 Apples The least number of apples she must sell is 150.

Q: The ages of the population of 2,000 women are normally distributed with a mean of 35 years and…

A: Answer:- Given, the age of the population of n  = 2000 women are normally distributed…

Q: At a carnival game, the chance of winning a prize is 0.45. Kylee plays the game 3 times. Using the…

A:

Q: let the pdf f(x) is even function then E(x) is?

A: We have to find out E(x) If probability density function f(x) is even If f(x) is even means f(x)…

Q: A construction company has 100 workers divided into 3 groups working in 2 projects as tabulated…

A:

Q: A null and alternative hypothesis are given. Determine whether the hypothesis test is left-tailed,…

A: From the provided information, The hypotheses are as follow: H0: p = 0.8 Ha: p ≠ 0.8

Q: 69% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults.…

A: Given that  Number of trials n=10 Success of probability p=0.69 X~binomial(n , p)

Q: In a batch of 26 pedometers, 3 are believed to be defective. A quality-control engineer randomly…

A: Given data f(x)= (0, 0.59231),(1, 0.35538),(2, 0.05077),(3, 0.00154)

Q: Four fair eight-sided dice are rolled. An outcome is an ordered sequence of 4 numbers between 1 and…

A:

Q: Find the margin of error for the given values of c, σ, and n. c=0.95, o = 2.2, n=81 Click the icon…

A: Given,c=0.95 , σ=2.2 , n=81Zc=Z0.95=1.96        (from Z-table)

Q: The probability that the mean height for the sample is greater than 65 inches is (Round to four…

A: It is given that  Mean, μ = 64.2 Sample size, n = 65 Standard deviation, σ = 2.55

Q: Use the given statement to represent a claim. Write its complement and state which is Ho and which…

A: From the provided information, The statement of the hypothesis is as follow: µ ≤ 500

Q: - The following Markov chain is irreducible 7/1/3 0 1 0 0 2/31 0 1/5 4/5/

A:

Q: In how many ways can we arrange six letters of the word SWITZERLAND that starts with letter S? O…

A: Answer : - In how many ways can we arrange six letters of the word  SWITZERLAND  that starts with…

Q: study of a particular disease case is carried out to treat the atient appropriately. If X₁,…

A: Solution

Q: 1. Draw and interpret the interaction plot. ii. Is there any significant interaction between the…

A: Analysis of variance, or ANOVA, may be a method that separates observed variance data into different…

Q: The probability density function of the random variable X whose momen x+1 generating function () (1…

A: Let us consider, the probability density function,

Q: There are 3 arrangements of the word DAD, namely DAD, ADD, and DDA. How many arrangements are there…

A: Word : PROBABILITY   total letters = 11 Here B and I repeats twice we have to find total…

Q: Find the indicated z-scores shown in the graph. Click to view page 1 of the table. Click to view…

A: Given that.   X~N( μ , ?^2 )   μ=0    , ?=1   Z-score =( x - μ )/?

Q: Gannon University would like to test the claim that the proportion of women enrolled in the…

A: From the provided information, Sample size (n) = 75 From which 50 are women. Level of significance…

Q: Find the z-scores for which 86% of the distribution's area lies between -z and z. Click to view page…

A: It is given that the 86% or 0.86 area lies between two z-scores.

Q: Find the minimum sample size n needed to estimate u for the given values of c, o, and E. c=0.98,…

A: Givenc=0.98standard deviation(σ)=6.5Margin of error(E)=2

Q: Find the P-value for the indicated hypothesis test with the given standardized test statistic, z.…

A: Given,Test statistic(Z)=-1.99α=0.04and the given test is two-tailed test.

Q: If X and Y are random variables having the joint density function f(x,y) = (6-x-y), 0<x<2, 2<y<4.…

A: Here Given joint pdf of two random variable x and y f(x,y) = 186-x-y , 0&lt;x&lt;2, 2&lt;y&lt;4

Q: If the p. d. f of a random variable X is f(x) = 1,0 ≤ x ≤ 2, then P(X> 1.5|X > 1) is

A:

Q: Show that X If X₁, XX that 4 out 10

A: Let X be the continuous random variable. Assume X~F(α,λ).

Q: 5- If X and Y are random variables having the joint density function f(x,y) = = (6 - x - y), 0 < x <…

A: