Question

Suppose that X is a binomial random variable with n = 10 and p = 0.25. Find P 2).

Write only a number as your answer. Round to 4 decimal places (for example
0.1849). Do not write as a percentage.

Answer 1

0.2816

Explanation:

X ~ B(10, 0.25) q = 0.75

10C2 × 0.25² × 0.75⁸

= 0.2815675735

Answer 2

0.3582 0.3600 x is the binomial random variable