One hundred identical coins each with probability p of showing up head are tossed. If 0 < p < 1 and the probability of heads showing on 50 coins is equals to that of heads on 51 coins. Then the value
A). 1/2
B). 49/101
C). 50/101
D). 51/101
One hundred identical coins each with probability p of showing up head are tossed. If 0 < p < 1 and the probability of heads showing on 50 coins is equals to that of heads on 51 coins. Then the value
A). 1/2
B). 49/101
C). 50/101
D). 51/101
If one rolls a fair sides die twice, what is the probability that the die will land on the same number on both the occasions ?
A). 1/12
B). 1/6
C). 1/24
D). 1/8
The letters B, G, I, N, R are rearranged to form the word 'BRING'. Find its probability ?
A). 1/120
B). 1/54
C). 1/24
D). 5/5 x 42
The probability that a man will live 10 more year is 1/4 and the probability that his wife will live 10 more year is 1/3. Then, the probability that none of them will be alive after 10 yr, is ?
A). 5/12
B). 1/2
C). 7/12
D). 11/12