SOLUTION: Four fair coins are tossed at once. The probability of getting at least three heads is A) 1/4 B) 1/5 C) 2/5 D) 1/8 E) 5/16

SOLUTION: Four fair coins are tossed at once. The probability of getting at least three heads is A) 1/4 B) 1/5 C) 2/5 D) 1/8 E) 5/16

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Question 1189834: Four fair coins are tossed at once. The probability of getting at least three heads is
A) 1/4 B) 1/5 C) 2/5 D) 1/8 E) 5/16
Answer by ikleyn(52858) (Show Source): You can put this solution on YOUR website!
.


Binomial distribution problem.


The answer is     =  = .

Solved.

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