Probability Tes...

A fair coins is tossed n times. If the probability that head occurs 6 time is equal to the probability that head occurs 8 time, then n is equal to

If three dice are thrown together, then the probability of getting 5 on at least one of them is

If a dice is thrown 7 times, then the probability of obtaining 5 exactly 4 times is

If x denotes the number of sixes in four consecutive throws of a dice, then P(x = 4) is

A man make attempts to hit the target. The probability of hitting the target is 3/5. Then the probability that A hit the target exactly 2 times in 5 attempts is

If a dice is thrown 5 times, then the probability of getting 6 exact three times is

In binomial probability distribution, mean is 3 and standard deviation is 3/2. Then the probability distribution is

A dice is thrown ten times. If getting even number is considered as a success, then the probability of four successes is

If the mean and variance of a binomial variate X are 2 and 1 respectively, then the probability that X takes a value greater than 1 is

A pair of fair dice is thrown independently three times. The probability of getting a score of 9 exactly twice is