A binomial discrete random variable, X has a mean of 3 and variance of 2. If X ~ B(n, p), find the values
of p and of n.​

Since X follows a binomial distribution, its mean and variance are

np = 3

np (1 - p) = 2

Substitute np = 3 in to the second equation to solve for p :

3 (1 - p) = 2

1 - p = 2/3

p = 1/3

Solve for n :

n (1/3) = 3

n = 9

answer: sine

step-by-step explanation:

answer

false

explanation

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