ected identical parts eries cannot functio ectronic produc che parts fail. When the life span of each part follows exp()) and is independent to each oth Following questions. (1) The random variable Y is the lifetime of this electronic product. Find the dis e.g. normal distribution, binomial distribution, etc.) Find the distributi of 7 2ndy ormal distribution binomial distribu

Q: If a binomial random variable has a mean of 50 and a standard deviation of 5, what is n and p

A: We know that the if X~binom(n, p) then mean, E(X) =np and variance, V(X) =np(1-p) We have, a mean of…

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Q: Which normal distribution should we use to approximate this randomized dotplot?       A. N…

A: Mean = 0.0011 ≈0 st. dev. = 0.056

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Q: Suppose X is a noram random variable with mean 45 and standard deviation 18 Calculate P( X < 16)

A: answer: From the given data, mean (μ) = 45 Standard deviation(σ) = 18

Q: Suppose data X1, ..., Xn are sampled from the population, sample mean is a random variable

A: It is given that Sample : x1, x2,......,xn

Q: For a Poisson random variable with a mean of 4 the standard deviation is approxiamately 1.414 (…

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Q: A binomial random variable has mean 5 and variance 4. Find the values of n and p that characterize…

A: The provided information is as follows:A binomial random variable has mean 5 and variance 4.

Q: in a binomial distribution, if n= 4 and p = 1/3 then the value of variance is?

A: Given:     n = 4 probability of success (p) = 1/3

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