The probability of a man hitting a target is 1/2. How many times must he fire so that the probability of hitting the target at least once is more than `90 %dot`

Explanation

Solution:

Probability of man hitting a target = `1/2`


Here, p= `1/2`

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The probability of bot hitting the target in n trails is q


Therefore to find the smallest n of which the probability of hitting at once in more than `90%`

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