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
Probability » Exercise - 15. 6 coins are tossed simultaneously . The probability of getting atleast 6 heads is : (a) 57/64 (b) 229/256 (c) 7/64 (d) 37/256
Probability » Exercise - 17. A coin is tossed and a dice is rolled . The probability that the coin shows the head and the dice shows 6 is : (a) 1/8 (b) 1/12 (c) 1/2 (d) 1
Probability » Exercise - 122. A coin is tossed until a head appears or until the coin has been tossed five times. If a head does not occur on the first two tosses, then the probability that the coin will be tossed 5 times is : (a) 1/2 (b) 3/5 (c) 1/4 (d) 1/3