A coin is tossed if head turns up then pair of dice is thrown and sum of numbers is noted. If tail turns up then a card numbered from 1 to 9 is drawn and number is noted, then find the probability that number is `7 or 8`. (a) `13/36` (b) `15/72` (c) `19/72` (d) `11/36`

A dice is thrown and the outcomes are noted. Find the probability that: composite number is obtained

One balanced coin is tossed. If two head comes up then two balanced dice are tossed and sum of the numbers obtained on it is noted. If tail is obtain then one card is selected from the card numbered 1 to 9 and its number is noted. Then ....... is the probability of event that noted number from card is 7 or 8.

If two coins are tossed, then find the probability of the event: No head turns up

A dice is thrown then find the probability that 7 will turn up on the upper faces.

A coin is tossed n times. The probability that head will turn up an odd number of times , is

A coin is tossed n times. The probability that head will turn up an odd number of times , is

A coin is tossed n times. The probability that head will turn up an odd number of times , is

A fair coin is tossed. If head appears, a fair dice is tossed once and the number on the upper face noted. If tail appears, the fair dice is tossed twice independently and the sum on the upper faces is noted. Then the probability that the noted number is 3, is (A)1/18 (B)1/4 (C)1/6 (D)1/9

A coin is tossed n times. The probability that head will turn up an even number of times is