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Question

If for a binomial distribution with n = 16, the ratio of mean to variance is 54, then the probability of success is

A
45
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B
23
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C
15
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D
14
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Solution

The correct option is C 15
The ratio of mean to variance will be
npnp(1p)

=11p

=54
1p=45
p=15.
where p being the probability of success.

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