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Q.

Probability of happening of an event in an experiment is 0.6. The probability of happening of the event atleast once, if the experiment is repeated 4 times under similar condition is

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a

609625

b

1316

c

98125

d

14

answer is A.

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Detailed Solution

p=0.6,q=0.4, n=4 P(X≥1)  =  1−P(X=0)              =1-0.44              =609625
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