A random variable X can take on only three values: 1, 3 and 0. X takes value 1 with probability and value 0 with remaining probability. What is the mean of X, , value 3 with probability E[X]? 25/12 3 4/3 9/4 5/2 2

Q: 1 X is the random variable such that X ~ B(12, 0.7). Find: b Var(X) a E(X) 2 X is the random…

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Q: The wait time for your local pizzeria to deliver food is normally distributed with µ = 42 minutes…

A: Given,mean(μ)=42standard deviation(σ)=3

Q: In a sample of 24 cats from a population with a probability of 0.11 of having a coat of fur with…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: exactly 8 users out of 15 smartphone users do not upgrade their cell phones every two years.…

A: The given information is that, 57% of U.S. smartphone users upgrade their cell phone every two…

Q: An integer in chosen randomly between 1-100. If the integer is divisible by 2, Y=0. if the integer…

A: From the given information, an integer is chosen randomly between 1-100. If the integer is divisible…

Q: A milk display case at a grocery store is stocked with cartons of regular milk and soy milk, in both…

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Q: Suppose a die is tossed 1500 times and a 3 comes up 601 times. Find the empirical probability for a…

A: Solution-: Given: Suppose a die is tossed 1500 times and a 3 comes up 601 times. We want to find the…

Q: What is the probability a randomly selected x-value will be  at most 3? What is the probability a…

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Q: The random variable X takes integer values starting from 1, and has a geometric distribution with…

A: Since the random variable X follows geometric distribution with mean m,  The probability mass…

Q: The wait time for your local pizzeria to deliver food is normally distributed with µ = 56 minutes…

A: Given data,Mean μ=56sd    σ=5P(X>60)=?

Q: 11. Let X be a random variable with the following probability distribution: t X f(x) -3 6 2 9 T 3…

A: From the provided information,The probability distribution is as follow:x-369f (x)1/61/21/3

Q: A report from the Department of Agriculture has shown that 35% of the produce in supermarkets has…

A: Ans#--> Let the random variable X has binomial distribution  With parameter   n = 12   ,  p =…

Q: What is the probability that a randomly selected American adult has never been tested? Show work.…

A: From the given information, N(NT)=134,767 and N(T)=77,789.

Q: What is the probability of the event {X = 1}? 2. Write the event {X = 2} in terms of the events {D1…

A: As per policy I have calculated 3 subparts kindly REPOST for remaining parts.  You roll a fair…

Q: probability that the combined sample tests positive for the virus? is it unlikely for su person has…

A: Let X be the random variable such that number of  adult who test positive. N: Total number of…

Q: Find the indicated probability by using the general addition rule. For a person selected randomly…

A: From the provided information,

Q: Part (a) Construct a tree diagram of the situation.   Part (b) P(C) =   Part (c) P(F | C) =

A: Given ,      C - A man develop s cancer     P(c) = 0.4956    F = A man has atleast one false…

Q: An ordinary (fair) coin is tossed 3 times. Outcomes are thus triples of "heads" (h) and "tails" (t)…

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Q: Q5. Which of these is not a binomial probability? A. 10C4× (0.4)*(0.6)6 B. Cs (0.7) (0.3)? C. 10C5 x…

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Q: he probability that a patient recovers from a disease is 0.8. Suppose 5 people are known to have…

A: Given data, p=0.8 n=5

Q: Consider the joint probability distribution of X and Y: x = -2 x = 0 x = 2 %3D y = -4 0.25 0.25 y= 0…

A: Since you have asked multiple question, we will solve the first question for you. If you want the…

Q: X takes values 1, 2, 3, 4 each with probability 1/4 and Y takes values 1, 2, 4, 8 with probabilities…

A: Given:  X=1,2,3,4 P(X=x) =1/4 for all above Xi Y=1,2,4,8 P(Y=1)=1/2, p(Y=2)=1/4, p(Y=4)=1/8,…

Q: A report from the Department of Agriculture has shown that 35% of the produce in supermarkets has…

A: The sample size n is 12 and the proportion of pieces of the produce in supermarkets has been…

Q: Suppose a basketball player who makes a free throw shot with success 80%. Let X be the number of…

A: From the provided information,Probability of success (p) = 0.80n = 5