You plan to take a random sample from a population of 500 items and build a 95% confidence interval estimate of the population mean. You want a margin of error no bigger than plus/minus 5. You estimate the population standard deviation to be 100. How large a sample is needed?

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A: It is given that the total number of people are 12.

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Q: /5 Points] DETAILS DEVORESTAT9 4.4.060. MY NOTES Let X denote the distance (m) that an animal moves…

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A: Given that  Total = 3 + 7 + 12 = 22 Painters = 3 Sculptors = 7 Photographers = 12

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A: Given that  Joint pdf of X and Y is  f(x,y) = 0.1e-(0.5x+0.2y) , x > 0 , y > 0

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Q: If P is a probability function and A1, A2, A3,...,An A, A₂KA, e, then PUAS P[A]

A: Method : P (A U B) = P(A) + P(B)                     - P (A intersection B) ≤ 1

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Q: Probability and Statistics – Consider a game of chance using 5 dice. (Recall that a die has 6-sides,…

A: Given information: Number of dice used = 5 Number of times five dice are rolled = 10

Q: 1. Consider three random X₁, X2, and X3. Suppose that we have pairwise independence (i.e. X₁ is…

A: Given that, X1, X2 and X3 are pairwise independent then it can be written as, P(X1, X2)= P(X1)P(X2)…

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Q: What is the probability the falsk contains at least one mosquito larvae

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Q: D,E, F

A: Given that  Probability mass function of X is X 0 1 2 3 4 f(x) = P(X=x) 0.2 0.1 ? 0.2 0.3…

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Q: What is the probability that a tourist visited at least one of these places?

A: It is given that  P( Beijing ) = 68% = 0.68 P( Xi’an ) = 61% = 0.61 P( Beijing and Xi’an ) = 29% =…

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A: As per our guidelines, we can solve only first one question. Please post the remaining questions…

Q: The weights of coconuts from a plantation have mean 3 and standard deviation 1 (pounds). Fifty…

A: GIVEN DATA μ = 3σ = 1n = 50 P(∑x>165) = ?

Q: E and F mutually exclusive events. P(E) = 0.4; P(F) = 0.5. Find P(E|F)

A: We have given that  E and F mutually exclusive events and P(E) = 0.4 , P(F) = 0.5 We have to find…

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Q: Assume that the amounts of weight that male college students gain during their freshman year are…

A: GivenMean(μ)=1.2standard deviation(σ)=4.4

Q: (5) A discrete random variable X has the probability mass function f(x) = c(x + 1)², x=-1,0, 1. You…

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Q: (1) Find the value of c. (2) Find the cumulative distribution function of X. (3) Find the…

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Q: The random variable X has a binomial distribution with n = 10 and p 0.5. Determine the following…

A: given data, binomial distribution n=10p=0.5x= no of successp(X=x) = Cx n * px *qn-x

Q: 3. Consider rolling a fair six-sided die, so that S = {1, 2, 3, 4, 5, 6}. Let X(s) = 5, and Y(s) =…

A: Given that  A fair six-sided die is rolled  S = { 1 , 2 , 3 , 4 , 5 , 6 }

Q: quick access, place your favorites here on the favorites bar. Manage favorites now The financial…

A: Given that Total income = 1734000 Tuition = 1384000 Development = 90000 Fund-raising = 119000…

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Q: (1) An airline finds that each passenger who reserves a seat fails to turn up with probability fo…

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