The probability of parents having a child with blonde hair is 1/5. If there are 8 children in the family, what is the probability that more than 2 of them will have blonde hair?

Q: Let E and F are mutually exclusive and Pr(E) = 0.2 and Pr(F) = 0.6. Find Pr(E ∪ F).

A: Given :

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A:

Q: Let X be a random variable with pmf P(0)=0.2, P(1)-0.5, P(2)=0.3. Let F(X) be the cdf of X. (a) Find…

A: let X be a random variable. PMF of X ; P(0) = 0.2, P(1) = 0.5, P(2) = 0.3 F(X) be the cdf of X.

Q: X = √-2 log U cos(2πV), Find the joint distribution of X and Y. (Hint: you may want to first compute…

A:

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A:

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Q: What would the answer be if the value of the $20 bill was replaced by one $100 bill?

A:

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A: Given that (a)Let X be the number of defective in the sample.Let n be the sample size. n = 20Let N…

Q: A die is rolled 9 times. Find the probability of rolling exactly 1 three. The probability is (Round…

A: roll a die 9 times  n = 9 P(roll three) = p = 16 x = no. of time three rolled here all outcomes are…

Q: s it possible for this to be written out thanks

A: a)

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A: Expected value stratey refers to that strategy in which the agent takes decision  based on the…

Q: 4: A man and woman agree to meet at a certain location at 12:36 pm. If the man arrives at a time…

A:

Q: Consider a political discussion group consisting of 8 democrats, 8 republicans, and 2 independents.…

A: given data, 8- democrats8- republicans2- independents two group members are rendomly selected, in…

Q: A box contains 14 large marbles and 14 small marbles. Each marble is either green or white. 7 of the…

A: large small total green 7 5 12 white 7 9 16 total 14 14 28

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Q: A game is played by drawing one card at random from a standard 52-card deck. If the card is a…

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Q: Provide an appropriate answer. Use the following frequency distribution to determine the modal class…

A: 42-48

Q: Problem #6: Let X be a Poisson random variable with parameter 2, and Y a geometric random variable…

A: Given that, X be  a Poisson random variable with parameter 2 and Y be a geometric random variable…

Q: From a group of 8 physicians and 4 surgeons, a delegation of 3 is selected. Find the expected number…

A: 8 physicians4 surgeons______________12 total peoplesdelegation of 3 is selected at random. expected…

Q: You are dealt one card from a standard​ 52-card deck. Find the probability of being dealt a face…

A: It is given that dealt one card from a standard​ 52-card deck.

Q: t 1 JULE SITE 2 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Sales 7 13 10 4…

A: (a) The objective is to compute the centered moving average values.

Q: An ice chest contains 5 cans of apple juice, 4 cans of grape juice, 4 cans of orange juice and 6…

A: given data,5- cans of apple juice 4- cans of grape juice4- cans of orange juice 6- cans of mango…

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Q: A raffle offers a first prize of $500 and 3 second prizes of $80 each. One ticket costs $1, and 400…

A: given data, $ 500- first prize$ 80  - second prizeone ticket costs $1and 400 tickets are sold…

Q: mu is less than or equal to 98.6 degrees. Your test will be at the 0.01 significance level. You take…

A: It is given that  Population mean, μ = 98.6 Sample mean, x̄ = 99.3 Sample standard deviation, s = 2…

Q: 9 C 9 6 2 12 8 7 B 5

A: Given Intersection is the common region between A and B U C

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Q: 4.43 A reliability system has five operating components in parallel. The lifetimes of the components…

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Q: Claim: A minority of adults would erase all of their personal information online if they could. A…

A: a) The original claim in symbolic form is Claim: p =0.5 Where, p= population proportion of all…

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Q: K Gasoline prices. At one point, the average price of a gallon of gasoline in Country A was $1.541.…

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Q: The scores on a test are normally distributed with an average (mean) of 72 and a standard deviation…

A: GIVEN DATA normal distributionμ = 72σ = 4

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A: Since you have posted multiple questions, we will provide the solution only to the first question as…

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Q: For the experiment described below, let x determine a random variable, and use your knowledge of…

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Q: art (a) for samples of size 7 and 18 (to 2 decimals). CL= CL = CL= CL: = 00

A: Given mean of μ = 11.5 standard deviation of σ = 0.8.

Q: Indicate the correct statement if E and Fare two events in the same sample space S with…

A: Let E and F be two events in the same sample space S with probabilities P(E)>P(F)>0.7

Q: lculations can be shown or no? i apologize, im not understanding

A: First Line Production 10% 0.10 Second Line Production 27% 0.27 Third Line Production 63%…

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A:

Q: Twelve professional gamers were asked their age (in years) when they first began playing their game…

A: Formula for sample mean is as follows,   x¯ = Sum of all observations Total number of observations

Q: Suppose that X and Y have the following joint probability density function. f(x,y) = 134² 0 0, x −…

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Q: An airline operates a call center to handle customer questions and complaints. The airline monitors…

A: From given data we have : Number of samples, k=10 Size of the each sample, n=100 The number of calls…

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Q: Suppose that a random variable X has PDF defined by fx(x): = a(1+x) a(1-x) 0 if −1 b] = / P[X ≤ b].

A: