Probability Mcqs

5C5 is equal to ________________? A. 5 B. 5×5C. 1 D. None of these

The product of first ‘n’ natural numbers is _____________? A. 1.2.3.4,………B. 1.2.3……(n-2) (n-1) (n) C. n. (n-1) (n-2)…………..3.2.1.0 D. None of these

If in a coin P(H) = 2P(T) then prob. of head is ______________? A. 1/3B. 2/3 C. 1/2 D. 0

If P(A/B)=1/4 and P(A∩B) =1/5 then P(B) is ________________? A. 4/5 B. 1/20 C. 0 D. 1/9

The probability of getting at least one head when two balance coins are tossed once __________________? A. 1/4 B. 2/4C. 3/4 D. 4/4

The probability of getting exactly three tails when three balanced coins are tossed once _______________? A. 1/8 B. 2/8 C. 5/8 D. 7/8

The probability that the sum is odd if two dice are thrown:_________________? A. 18/36 B. 9/36 C. 6/36 D. 12/36

A fair coin toss the total events in sample space equal_____________? A. 7 B. 16 C. 36D. 6

A box containing 12 balls of color 6 red and 6 white. A ball of white selected ball finds the probability of white____________? A. 7/12B. 6/12 C. 12/12 D. 4/12

The probability of drawing an even number in a toss of a balanced die ______________? A. 1/6 B. 2/6C. 3/6 D. 6/6