The probability of a bomb hitting a target is 0.2. Two direct hits are necessary to destroy a bridge. If six bombs are aimed at the bridge, find the probability that the bridge is destroyed.

The probability of a bomb hitting a bridge is (2)/(3) . Two direct hits are needed to destroy the bridge. The minimum number of bombs required such that the probability of bridge being destroyed is greater than (3)/(4) , is

The probability of a bomb hitting a bridge is (2)/(3) . Two direct hits are needed to destroy the bridge. The minimum number of bombs required such that the probability of bridge being destroyed is greater than (3)/(4) , is

The probability of a bomb hitting a bridge is 1//2 and two direct hits are needed to destroy it . The least number of bombs required so that the probability of the bridge being destroyed is greater then 0.9 is

The probability of a bomb hitting a bridge is 1/2 and two direct hits are needed to destroy it. The least number of bombs required so that the probability of the bridge being destroyed is greater than 0.9, is :

The probability of a bomb hitting a bridge is 1/2 and two direct hits are needed to destroy it. The least number of bombs required so that the probability of the bridge being destroyed is greater than 0.9, is :

The probability of a missile hitting a target bridge is 1/5 . Two missiles are enough to destroy a bridge. If six missiles are fired at the bridge, the chance of the bridge being destroyed 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 0.25. He shoots 7 xx.What is the probability of his hitting at least twice?