Suppose x is a binomial random variable with n = 20 and P = .7. a. Find

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Suppose x is a binomial random variable with n = 20 and P = .7.

a. Find P (x = 14).

b. Find P (x ≤ 12).

c. Find P (x > 12).

d. Find P (9 ≤ x ≤ 18).

e. Find P (8 < x < 18).

f. Find µ, σ2, and σ.

g. What is the probability that x is in the interval µ + 2σ?

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Statistics

ISBN: 9780134080215

13th Edition

Authors: James T. McClave

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Question Posted: Jan 29, 2018 08:47 AM

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Suppose x is a binomial random variable with n = 20 and P = .7. a. Find

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