The probability that a marksman will hit a target is given is 1/5. Then the probability that at least once hit in 10 shots is `1-(4//5)^(10)` b. `1//5^(10)` c. `1-(1//5)^(10)` d. `(4//5)^(10)`

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 that a man will hit a target in shooting practise is 0.3 . If he shoots 10 times, the probability that he hits the target , is

The probability that a man can hit a target is 3//4 . He makes 5 trials. The probability that he will hit the target every time he hits is

(1/4)^(-10)xx(2/5)^(-10)

The probability that a student is not a swimmer is 1/5 . Then the probability that out of five students, four are swimmers is (A) .^(5)C_(4)(4/5)^(4)1/5 (B) (4/5)^41/5 (C) ^5C_1 1/5(4/5)^4 (D) None of these

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 that a student is not a swimmer is 1/5 . Then the probability that out of five students, four are swimmers is (A) ^5C_4""(4/5)^4""1/5 (B) (4/5)^4""1/5 (C) ^5C_1 1/5(4/5)^4 (D) None of these

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

On average, a sharpshooter hits the target once every 3 shots. What is the probability that he will hit the target in 4 shots?

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?