Question * The joint probability distribution function of a discrete random variable is f(x, y) = cx²y for x-1, 2, 3 and y-1, 4, 16. c 0 Then P(1 < Y < 16|X = 3) = 5/14 13/14 6/7 O 3/7

Q: were recorded by the driver. 24 19 21 27 20 18 13 23 30 10 18 23 15 19 28 10 11 12 13 14

A: Using the equation 2k≥n           where n is the number of observation which is 40…

Q: The joint probability distribution f(x,y) = cx/y for x-1, 2, 3 and y-1, 4, 16. c + 0 Then P(2 <X S…

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

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Q: 46. Jun and Aaron are equally good at chess. They play three games against each other. What is the…

A: Given problem Given that   46)   Jun and Aaron are equally good at chess. They play three games…

Q: a customer buys three packages and two of them are corrupted.                     e)  a…

A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted

Q: 20. Raquel buys a bag of cookies that contains 6 chocolate chip cookies, 6 peanut butter cookies, 6…

A: Given : Raquel buys a bag of cookies that contains 6 chocolate chip cookies, 6 peanut butter…

Q: Let X and Y be two continmous random varíables with joint probability density function given by:…

A: First we have to calculate the Var(Y) as Var(Y) = E(Y2) - [E(Y)]2 Note : Since you have asked…

Q: a) Mobile company Pear has established that mobile phone sales will increase in the next 6 months…

A: Let  A: Mobile phone sales will increase in the next 6 months B: Interest rates will increase in the…

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Q: anges cost $5 and sells for $15. If there are any cases of mandarin oranges not y are sold to a…

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Q: In a health examination survey of a prefecture in Japan, the population was found to have an average…

A: Given that Mean =99 ,s.d =12 Find p ( 90 &lt; x &lt;111 ) = ?

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: calculator is programmed to generate random whole numbers between 1 and 15 inclusive. If one number…

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Q: Mercy will be on the committee. 41. Neither Luis nor Mercy will be on the committee.

A: here total 10 students in group  4 students are selected  for committee  here it is without…

Q: Q4) A factory manufactures cups. The manager knows from past experience that 5% of the cups produced…

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Q: In a technology company, it is known that the average of network failure is 1 per week. What is the…

A: Given,the average no.of failures per week is (λ)=1A random variable X~Poisson(λ=1)P(X=x)=e-1×1xx!  ;…

Q: Question * In a health examination survey of a prefecture in Japan, the population was found to have…

A: Z-score formula : Z =(X - μ)/σ

Q: Are the two events in each scenario mutually exclusive or not? Explain. a) Rolling a sum of 5 or a…

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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 sample size…

Q: Question * In the instant lottery with 20% winning tickets, if X is equal to the number of winning…

A: Probability is the chance of occurrence of an event.

Q: Six individuals, including A and B, take seats around a circular table in a completely random…

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Q: Jessica's plane and Kayla's plane take off at the same time Lauren's plane leaves 1 hour earlier…

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

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Q: Based on historical data, your manager believes that 33% of the company's orders come from…

A: It is given that n =89 and p =0.33.

Q: Suppose that a friend of yours says that they were reading about confidence intervals and ask you…

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Q: True or False?? Let B(t) be standard Brownian motion and is known that B(t) is equal to zero at time…

A: Given: B(t) = 0; t = 0 B(t) = 600; t = 1000

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

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Q: Suppose that 70% of all diners choose vegetarian meals when eating away from home. On a randomly…

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Q: Based on historical data, your manager believes that 31% of the company's orders come from first…

A: From the provided information, 31% of the company’s order come from first time customers, that is p…

Q: In 2006, the General Social Survey asked 1,935 respondents whether or not they believed abortion…

A: The probability that who responded no to the abortion (21-30) = (number of people who said no) of…

Q: The work week for adults in the US that work full time is normally distributed with a mean of 47…

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Q: survey of authors by a (fictitious) publishing company.   New Authors Established Authors Total…

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Q: Among the 30 applicants for a position at a bank, 18 are married, of which 6 have some banking…

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Q: A student does a survey to see if the proportions of men and women who plan to get a degree in a…

A: Given that - A student does a survey to see if the proportions of men and women who plan to get a…

Q: Selecting Books find the probability of selecting 4 science books and 4 math books from 11 scence…

A: Given that  Science book = 11 Maths book = 12 Total books = 23 By using permutations formula to…

Q: Question * Suppose X, Y are two discrete random variables with probability function given by: YX -1…

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Q: What is the best equally likely decision to take? Come up with a decision using each * of the…

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Q: 4.Suppose that X is a random variable for which E(X)=µ and Var(X)=o². Show that E(X(X-1)]=µ(µ-1)+o?

A: It is given that E(X) = μ and Var(X) = σ2

Q: Question* Let X and Y be two contimuous random variables with joint probability density function…

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Q: Among the 30 applicants for a position at a bank, 18 are married, of which 6 have some banking…

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Q: Suppose that 70% of all diners choose vegetarian meals when eating away from home. On a randomly…

A: Given : Probability of success,p = 0.70 Probability of failure,q=(1- 0.70)= 0.3

Q: Let X1,..., X is a random sample from Binomial(p) and Y,..., Ym is another independent random sample…

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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: Of all the weld failures in a certain assembly, 85% of them occur in the weld metal itself, and the…

A: Given: Probability of success =15%=0.15. To find: To find the probability, mean, and the standard…

Q: need

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Q: In 2017, a labor union in City A listed the 5 categories of most importance to their members. In…

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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: sion to tak

A: The alternatives and state of nature can be given. Equally likelihood can be denoted as "all events…

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

A: here given , Telephone calls enter a college switchboard on the average of two every three minutes.