Question

Consider a collection of envelopes consisting of 1 red envelope, 2 blue envelopes, 2 green envelopes.and 3 yellow envelopes. If two envelopes are selected at random, with replacement, determine the probability that both are BLUE envelopes.

A) 1/14
B) 1/16
C) 1/28
D) 1/56

Answer 1

C. 1/16

Explanation:

The probability of picking a blue envelope is 2/8 = 1/4. You want to select a blue envelope twice with replacement so we multiply 1/4*1/4 which is 1/16.