Probability » Exercise - 130. From the word “POSSESSIVE”, a letter is chosen at random. The probability of it to be S is : (a) 3/10 (b) 4/10 (c) 3/6 (d) 4/6
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Probability » Exercise - 19. If P (A) = 0.4, P (B) = x, P (A ∪ B) = 0.7 and the events A & B are independent, then x = (a) 1/3 (b) 1/2 (c) 2/3 (d) none of these
Probability » Exercise - 124. The letter of the word “ASSASSIN” are written down at random in a row. The probability that no two S occur together is : (a) 1/35 (b) 1/14 (c) 1/15 (d) none of these
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Probability » Exercise - 120. 3 dice are thrown simultaneously. What is the probability of obtaining a total of 17 or 18 ? (a) 1/9 (b) 1/72 (c) 1/54 (d) none of these
Probability » Exercise - 115. The probability of happening atleast one of the events A & B is 0.6. If the events A & B happens simultaneously with the probability 0.2, then (a) 0.4 (b) 0.8 (c) 1.2 (d) none of these