There are 100 sealed envelops in a box, 10 of them contain a cash prize of 100 each, 100 of them contain a cash prize of 50 each and 200 of them contain a cash prize of 10 each and rst do not contin any cash prize. If they are well shuffled and an evelope is picket up out, What is the probabiilty that it contains no cash prize?

There are 1000 sealed envelops in a box, 10 of them contain a cash prize of 100 each, 100 of them contain a cash prize of 50 each and 200 of them contain a cash prize of 10 each and rest do not contain any cash prize. If they are well shuffled and an envelope is picket up out, What is the probability that it contains no cash prize?

From the 1000 sealed envelopes in a box, 10 of them contain a cash prize of 100 each, 100 of them contain a cash prize on 50 each and 200 of them contain a cash prize of 10 each and rest do not contain any cash prize. They are well-shuffled and an envelope is picked up out of them. The probability that it contains no cash prize is:

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

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

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

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.