The probability of a shooter hitting a target is $\frac{3}{4}$. How many minimum number of times must $\text{he}/\text{she}$ fire so that the probability of hitting the target at least once is more than 0.99?

The probability of a shooter hitting a target is $\frac{3}{4}$. How many minimum number of times must he/she fire so that the probability of hitting the target at least once is more than 0.99?

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 $90\%\stackrel{.}{}$

The probability of a man hitting a target is 1/4. How many times must he fire so that the probability of his hitting the target at lest once is greater than 2/3?

The probability of a man hitting a target is $\frac{2}{5}$ . He fires at the target k times (k, a given number) . Then the minimum k, so that the probability of hitting the targer at least once is more than $\frac{7}{10}$, is

The probabilty of hitting a target is 1/3. The least number of times to fire so that the probability of hitting the larget atleast once is more than $90\%$ is

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 $90\%\stackrel{.}{}$

The probability of a man hitting a target 2 is He fires at the target K times (k a 5 given number). Then the minimum k so that the probability of hitting the target 7 at least once is more than 10 is

The probability of a man hitting a target is 1/4. How many times must he fire so that the probability of his hitting the target at lest once is greater than 2/3?

A man can hit a target 2 times out of every 3 shots. The least number of times he must shoot, so that the probability of hitting the target at least twice is more than 0.9 is

The probability that a shooter hits a target is $\frac{1}{3}.$ The minimum number of trials such that probability hitting the target atleast once is greater than $\frac{5}{6}$ is equal to (a) 4 (b) 5 (c) 6 (d) 7