If probability of hitting a target is `1/10`, Then number of shot required so that probability to hit target at least once is greater than `1/4`.

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 xx must he fire so that the probability of hitting the target at least once is more than 90% .

The probability of a man hitting a target is 1/4. How many xx 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 1/2. How many times must he fire so that the probability of hitting the target at least once is more than 90 %dot

The probability of a shooter hitting a target is 4/5. Find the minimum number of times he must fire so that the probability of hitting the target at least once is greater than 0.999.

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

The probability of a man hitting the target is 1/4. If he fires 7 times, the probability of hitting the target at least twice is

The probability of a man hitting a target is 1//4 . If he fires 7 times , the probability of hitting the target at least twice is