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A coin is tossed 4 times. What is the probability of getting heads exactly 3 times?
1/4
3/4
2/5
3/5
P(H)=0.5 head probability
The probability of getting head exactly 3 times is
P(x=3)= 4C3 (0.5)3(0.5)1
=¼
By: bhavesh kumar singh ProfileResourcesReport error
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