Answer to Question #318156 in Statistics and Probability for renz

Question #318156

Suppose two coins are tossed. Let B be the random variable representing the number of heads that occur find the probability of getting single head.

Expert's answer

P(B=1)=P(H,T)+P(T,H)=(1/2)(1/2)+(1/2)(1/2)=2/4=0.5

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