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