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Q. 5: The probability that a bulb produced by a factory will fuse after days of use is
. Find the probability that out of
such bulbs
(i) none will fuse after days of use.
Answers (1)
Let X represent the number of bulbs that will fuse after days of use. Trials = 5
X has a binomial distribution with n = 5.
Put X=0 ,
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