Q.
The probability of a man hitting a target is 14 . He makes 4 trials. The probability that he will hit the target every time he tries is
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a
2150
b
811024
c
243256
d
1256
answer is D.
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Detailed Solution
n=4 p=14, q=34 p(x=4)= 4C4(34)0(14)4=1256
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