Inactive Tutor answered • 06/11/22
Tutor
New to Wyzant
Pr(5H2T out of 7)
= 7C5(1/2)^7
= 7!/5!2!(1/2^7)
= 21/128
= about 16% for exactly 5 heads in 7 tosses
or more precisely 16.40625 %
Pred S.
asked • 06/11/22Probability Question regarding a coin toss
What is the probability that in 7 coin tosses we get exactly 5 heads and 2 tails? Do NOT round.
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