Asked by michelle
Suppose you have an extremely unfair coin: the probability of a head is 1/5, and the probability of a tail is 4/5. If you toss the coin 40 times, how many heads do you expect to see?
A. 8
B. 6
C. 5
D. 4
A. 8
B. 6
C. 5
D. 4
Answers
Answered by
bobpursley
expect=pr(H)*N=.2*40=8
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