A certain type of missile hits the 36 probability target with p 0.3. What is the least number of missiles should be fired so that there is at least an 80% probability that the target is hit?

A certain type of missile hits its target with probability 0.3. How many missiles should befired so that there is at least an 80% chance of hitting the target?

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 hits a target is 1/3 and the probability that B hits it is 2/5\ . If each one of and B shoots at the target, what is the probability that (i) the target is hit? (ii) exactly one-of-them-hits the target?

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

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 .