The probability of a man hitting a target is `(1)/(4)`. If he fires 7 times. Find the probability of hitting the target exactly six times is

The probability of a man hitting a target is 0.25. He shoots 7 times. What is the probability of his hitting at least twice?

The probability of a man hitting a target is 0.25. He shoots 7 times. What is the probability of his hitting at least twice?

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 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 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 that a man can hit a target is 3//4 . He tries 5 times. The probability that he will hit the target at least three times is

The probability of a man hitting man hitting target is 0.25. If he shoots 7 times, then what is the probability of his hittiing atleast twice ?

If a die is thrown 7 times, then the probability of obtaining 5 exactly 4 times is

A pair of dice is rolled 4 times. The probability of getting doublet exactly 2 times is

Three dice are rolled 4 times . The probability of getting sum 17 exactly 3 times is