A die is thrown twice . What is the probability that (i) 5 will not come up either time (ii) 5 will come up atleast once ?

A dice is thrown twice. What is the probability that (i) 5 will not come up either time? (ii) 5 will come up at least once? [Hint : Throwing a dice twice and throwing two dice simultaneously are treated as the same experiment].

Two dice are thrown simultaneously. What is the probability that (i) 5 will not come up on either of them (ii) 5 will come up at both dice

The probability that a new ship will get an award for its design is 0.25, the probability that it will get an award for the efficient use of materials is 0.35 and that it will get both awards is 0.15. What is the probability that (i)) it will get atleast one of the two awards (ii) it will get only one of the awards?

A die is thrown twice. Find the probability that atleast one of the two throws comes up with the number 5 (use addition theorem ).

A die is thrown 31 times. The probability of getting 2,4 or 5 at most 15 times is

Two dice are thrown. What is the probability that the sum of the numbers appearing on the two dice is 11, it 5 appears on the first?

A die is thrown 7 times. What is the chance that an odd number turns up (i) exactly 4 times (ii) at least 4 times

An unbiased die is thrown. What is the probability of getting (i) an even number or a multiple of 3 . (ii) a number between 3 and 6.

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 a. atleast once b. exactly once c. atleast twice?