Question Suppose X, Y are two discrete random variables with probability function given by: Y\ X 1/9 1/9 -1 1 2/9 1/9 1/9 -1 2/9 1/9 1 Then X and Y are: O Dependent O Independent

Q: The joint probability distribution function of a discrete random variable is f(x, y) = cx /y for…

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Q: In the instant lottery with 30% winning tickets, if X is equal to the number of winning tickets…

A: Given : Probability,p = 0.30 number of trial,n = 8

Q: 7. 7. Suppose X - N(u.4), which is true?( X- (A) N(0.1): (B) PIX S0} = 4 (C) PIX-u>2; =1-0(1): (D)…

A: Here we use the properties of normal distribution to solve this problem.

Q: 7 sprinters have made it to the Olympic finals in the 100-meter race. In how many different ways can…

A: Given,7 sprinters have made it to the olympic finals in the100 meter race .

Q: The joint probability distribution function of a discrete random variable is f(x, y) = cx² /y for…

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Q: V(Y|X = 1)

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Q: Given the following sampling distribution of one mean with a sample size 49, from a normally…

A: The sampling distribution of one mean with a sample size 49, from a normally distributed population.…

Q: Telephone calls enter a college switchboard on the average of two every three minutes. The…

A: here given  λ  = 2 calls per 3 minute λ = 23 calls per minute

Q: 1 Suppose X is a discrete r.v. having p.m.f. as -1 1 21 2c 16c Find c=

A: Let X be the discrete random variable having probability mass function (p.m.f) is,  X -1 0 1 2…

Q: The distribution of retirement age for NFL players is normally distributed with a mean of 33 years…

A: Let X be the random variable from normal distribution with mean (μ) = 33 years standard deviation…

Q: flx, v) = { xe-x(1 + y) x20 and y 2 0 otherwise rmine E(XY). ulate Cov(X, Y) and p. X, Y) =

A: Given Two components of a minicomputer have the following joint pdf for their useful lifetimes X and…

Q: A. Determine whether the distribution represents a probability distribution. Explain your answer. 8.…

A: Given that   We have  Given the random variable X and it's corresponding  probabilities   We have to…

Q: Use the random sample data to test the claim that the mean travel distance to work in California is…

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Q: A major traffic problem in the Greater Cincinnati area involves traffic attempting to cross the Ohio…

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Q: A test program for grade 10 can generate quadratic functions in a standard form y = where a, b, c…

A: Given : y = ax2 + bx + c  where, a = {-1,1,2}, b = {0,4}, c = {0, -1}

Q: Test scores for a given class are normally distributed with a mean of 80 and standard deviation 12.…

A: Solution-: Given: μ=80,σ=12 Find the test score that separates the top 10%.

Q: VI. A three-digit number with no repeated digits is made from the digits 1 to 7. What is the…

A: A three-digit number with no repeated digits is madie from the digits 1 to 7. We need to find the…

Q: Two fair coins are tossed. What is the probability of getting one heads and one tails?

A: Given We konw that the coin has two sides head (H) and tail (T)

Q: For n=8 and x=0 41, what is P(X = 7)? P(X= =7)=(Round to four decimal places as needed.)

A: Let X be the random variable from binomial distribution with probability (π) = 0.41 and number of…

Q: Given the following table that shows percentiles of the median difference and mean difference in the…

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Q: A sample of 81 items is taken from a population with a standard deviation of 45 kilograms. The…

A: Given : Sample Size , n= 81 Sample Mean , x̄ =112 population standard deviation , σ =45

Q: In a technology company, it is known that the average of network failure is 3 per week. What is the…

A: Given : Average, μ= λ = 3

Q: Activity: A. Written Work No. 2 Accor ding to NSCB statistics, the life expectancy of Filipino women…

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Q: Palin's Muffler Shop has one standard muffler that fits a large variety of cars. The shop wishes to…

A: Given: Annual demand=3080 mufflers Ordering cost =85 dollars per order Standard deviation of daily…

Q: The Internal auditing staff of a local manufacturing company performs a sample audit each quarter to…

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Q: juniors. a) You pick three students at random, one at a time. What is the probability that all three…

A: here given there are total 30 students in class  10 freshman ,12 sophomore and 8 juniors…

Q: 49. Out of 15 rare books, 5 of which are especially valuable, 3 are taken at random by a friend.…

A: Introduction:  Sampling with replacement:  In the sampling with replacement, each element of the…

Q: Suppose that a die is rolled twice. Let X be the minimum value to appear in the two rolls. (a)…

A: Given: A die that is rolled twice. The minimum value to appear in two rolls=X To construct: To…

Q: Scores for a common standardized college aptitude test are normally standard deviation of 115.…

A: Given Data : Population Mean,μ = 493 Population Standard Deviation,σ = 115

Q: 224.5 and o = A population of values has an unknown distribution with u random sample of size n =…

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Q: A programmer is creating a game with a villain who randomly appears and steals 50 gold coins from…

A: The image is attached below to find the expected value of a player.

Q: Question The distribution of retirement age for NFL players is normally distributed with a mean of…

A: Given that.   X~N( μ , ?^2 )   μ=33   , ?=2   Z-score =( x - μ )/?

Q: (a) On a certain computer system, a valid password is a sequence of 6 to 8 symbols. The first symbol…

A: Let us assume there are three persons A, B and C sitting beside each other. The different ways in…

Q: Question 1:- A sample consists of 1000 length measurements. The sample mean is 53.65 cm and the…

A: Given: Sample size is 1000. Sample mean x¯=53.65 Sample standard deviation s=1.25 Number of…

Q: Given the continuous random variables X and Y with joint probability density function: ху x² + 3…

A: Solution

Q: 6. Suppose X -U(1.5).which is true?( ) b-a (A) Pla s X sb} = 3 (8) P{3 < X < 6} =- 4 (C) P{0< X < 4}…

A: Given that : X ~ U ( 1 , 5 )  By using uniform distribution we solve this problem.   Note :…

Q: blue. What is 45. gets only one blue ball? 43. gets a blue ball and then a yellow ball? 44. gets a…

A: here define events get blue ball  =  B get yellow ball= Y  here total 5 blue balls and  4 yellow…

Q: In a technology company, it is known that the average of network failure is 3 per week. What is the…

A: Let X denote the number of failures per week.  It is given that Average number of failures per week…

Q: The U.S. trade balance in May 2,010 was −$4.23  ×  1010. What is  −$4.23  ×  1010  in…

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Q: How Much More Effective Is It to Test Yourself in Studying? We have found that students who study by…

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Q: Question * Telephone calls enter a college switchboard on the average of two every three minutes.…

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Q: 13.) Raffle Tickets. Three thousand raffle tickets are sold for $4.00 each. Three prizes are…

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Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

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Q: 2.Suppose that the return R (in dollars per share) of a stock has the uniform distribution on the…

A: Given that - Suppose that the return R (in dollars per share) of a stock has the uniform…

Q: Dwayne, the manager for Lighting and Electronics at Home Hub, received a delivery of 3 boxes of…

A: Given Information: The manager for Lighting and Electronics at Home Hub, received 3 boxes of…

Q: (1) An experiment consists of rolling two fair dice and adding the dots on the two sides facing up.…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Let X be a random variable with probability distribution as shown below: 25 2 <x< 10 f(x) = {3x and…

A: The E(g(X)) is calculated as E(g(X)) = E(10X + 5) = 10E(X) + 5

Q: Consider this Preference Voting Table from 50 voters and 4 candidates Rank/ Number of 19 14 10 votes…

A: Given, the Preference Voting Table from 50 voters and 4 candidates,  if 1st place gets 4 points, 2nd…

Q: If a random variable X is defined such that: E(X+4) = 10 and E[(X +4)²] = 114. Then the values of u…

A: The image is attached below.

Q: A committee of 3 men and 3 women are to be chosen from a group of 7 men and 6 women. The oldest of…

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