If ten objects are distributed at random among ten persons, then find the probability that at least one of them will not get any object.
A bag contains n+1 coins. If is known that one of these coins shows heads on both sides, whereas the other coins are fair. One coin is selected at random and tossed. If the probability that toss results in heads is 7/12, then find the value of n˙
From the employees of a company, 5 persons are selected to represent them in the managing committee of the company. Particulars of five persons are as follows:S.No. Name Sex Age in years1. Harish M 302. Rohan M 333. Sheetal F 464. Alis F 285. Salim M 41A person is selected at random from this group to act as a spokesperson. What is the probability that the spokesperson will be either male or over 35 years?
A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers 1,2,3,4,5,6,1,8 (see Figure), and these are equally likely outcomes. What is the probability that it will point at(i) 8?(ii) an odd number?(iii) a number greater than 2?(iv) a number less than 9?
Describe the sample space for the indicated experiment : One die of red colour, one of white colour and one of blue colour are placed in a bag. One die is selected at random and rolled, its colour and the number on its uppermost face is noted. Describe the sample space.
A box contains 5 red marbles, 8 white marbles and 4 green marbles. One marble is taken out of the box at random. What is the probability that the marble taken out will be(i) red ? (ii) white ? (iii) not green?
A die is thrown once. Find the probability of getting(i) a prime number; (ii) a number lying between 2 and 6; (iii) an odd number.
A pack of playing cards was found to contain only 51 cards. If the first 13 cards, which are examined are all red, then the probability that the missing card is black is :-