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26-10-2022
Mathematics

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A coin is tossed 3 times. Find the probability of getting exactly two head

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AadinR459 AadinR459

26-10-2022

In this problem, we have a binomial probability distribution

so

n=3

p=0.50

q=0.50

Find out P(X=2)

[tex]P(X=2)=\frac{3!}{2!(3-2)!}*0.50^2*0.50^{(3-2)}[/tex]

P(X=2)=0.375

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