If three square are selected at random from chess board. then the probability that they form the letter 'L' is (a) `196/(64C_3)` (b) `49/(64C_3)` (c) `36/(64C_3)` (d) `98/(64C_3)`

If two of the 64 squares are chosen at random on a chess board, the probability that they have a side in common is

A flash light has 8 batteries out of which 3 are dead. If two batteries are selected without replacement and tested, the probability that both are dead is 3/(28) b. 1/(14) c. 9/(64) d. (33)/(56)

From the letters of the word MOBILE, a letter is selected. The probability that the letter is a vowel, is 1/3 (b) 3/7 (c) 1/6 (d) 1/2

A box contains 10 good articles and 6 defective articles. One item is drawn at random. the probability that it is either good or has a defect, is a. 64/64 b. 49/64 c. 40/64 d. 24/64

A box contains 10 good articles and 6 defective articles. One item is drawn at random. the probability that it is either good or has a defect, is a. 64/64 b. 49/64 c. 40/64 d. 24/64

A box contains 10 good articles and 6 defective articles. One item is drawn at random. the probability that it is either good or has a defect, is a. 64/64 b. 49/64 c. 40/64 d. 24/64

A fair coin is tossed 10 times. Then the probability that two heads do not occur consecutively is a. 7//64 b. 1//8 c. 9//16 d. 9//64

(i)If fuor squares are chosen at random on a chess board, find the proability that they lie on diagonal line. (ii) If two squares are chosen at random on a chess board, what is the Probability that they have exactly on corner in common? (ii) If nine squares are chosen at random on a chess board, what is the probability that they form a square of size 3x3?

Find the mean mu and variance sigma^2 for the following probability distribution : X: 0 1 2 3 P(X): 1/(64) (18)/(64) (18)/(64) (27)/(64)

In a set of five games in between two players A and B, the probability of a player winning a game is 2/3 who has won the earlier game. A wins the first game, then the probability that A will win at least three of the next four games is (A) 4/9 (B) (64)/(81) (C) (32)/(81) (D) none of these