A person buys a lottery ticket in 50 lotteries ,in each of which his chance of winning prize is 1/100 .What is the probability that he will win a prize exactly once.

A person buys a lottery ticket in 50 lotteries , in each of which his chance of winning prize is 1/100 .What is the probability that he will win a prize at least once.

A person buys a lottery ticket in 50 lotteries in each of which his chance of winning prize is 1/100 what is the probability that he will win a prize at least twice.

In a certain lottery ticket 10000 tickets are sold and 10 equal prizes are awarded .What is the probability of not getting a prize,if you buy 1 ticket.

In a certain lottery ticket 10000 tickets are sold and 10 equal prizes are awarded. What is the probability of not getting a prize,if you buy2 tickets.

In a certain lottery ticket 10000 tickets are sold and 10 equal prizes are awarded. What is the probability of not getting a prize,if you buy 10 tickets.

In a lottery of 50 tickets numbered from 1 to 50,two tickets are drawn simultaneously.Find the probability that :None of the tickets drawn has prime number.

In a lottery of 50 tickets numbered from 1 to 50,two tickets are drawn simultaneously.Find the probability that : Both the tickets drawn have prime numbers.

In a lottery, a person chosen six different natural numbers from 1 to 20 and if these six number match with six numbers already fixed by the lottery committee, he wins the prize. What is the probability of winning the prize in the game (order of the numbers is not important)

In a lottery, a' person choses six different natural numbers at random from 1 to 20, and if these six numbers match with the six numbers already fixed by' the lottery committè, he wins the prize. What is the próbability of winning the prize in the game?