If one out of 10 coming ships is wrecked. Find the probability that out of five coming ships at least 4 reach safely.

If on an average, out of 10 ships, one is drowned, then what is the probability that out of 5 ships atleast 4 reach safely ?

A die is thrown twice. Find the probability that: 5 will come up at least once

The probability that out of 5 ship is wrecked by enemies is (1)/(5). The probability that out of 5 ships,at least 4 will is arrive safely after the journey,is

The probability of any ship return safely to the port is 1/5 . Find the probability that the returning out of 5 ships, at least 3 ships returns safely. It is given that returning ships are independently.

The probability of any ship return safely to the port is 1/5 .Find the probability that the returning out of 5 ships,at least 3 ships returns safely.It is given that returning ships are independently.

A coin is tossed 4 times. The probability that at least one head comes up is :

If on an average 1 ship in every 10 sinks, find the chance that out of 5 ships atleast 4 will arrive safely.

The probability that a ship safely reaches a port is (1)/(3) . The probability that out of 5 ships, at least 4 ships would arrive safely is