(Answered) Use a binomial random variable x with n 5 and p 04a

Statistics

Use a binomial random variable X with n = 5 and p = 0.4

a) Calculate the probability that x equals three

b) Determine the probability that x is at most two

c) Find the probability that x is at least two

d) What is the expected value of x

e) Give the standard deviation of x

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