Giabear23
05.11.2020 •
Mathematics
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
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Ответ:
C. 1/16
Step-by-step 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.
Ответ: