MEDIUM
VITEEE
IMPORTANT
Earn 100

A random variable X has Poisson distribution with mean 2. Then PX2 equals

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Important Questions on Probability

HARD
VITEEE
IMPORTANT
The scores on a standardized test in a suburban high school have a mean of 80 with a standard deviation of 12. Then the probability that a student will have a score less than 60 is
HARD
VITEEE
IMPORTANT
If the mean and variance of a binomial distribution are 4 and 2, respectively. Then, the probability of at least 7 successes is
MEDIUM
VITEEE
IMPORTANT
In how many ways, is it possible to choose a white square and a black square on a chess board so that the squares must not lie in the same row or column?
MEDIUM
VITEEE
IMPORTANT
If a certain missile will hit the target one out of four times and four such missiles are fired at the same time, then what is the probability that the target will be hit atleast once?
MEDIUM
VITEEE
IMPORTANT
The probability that at least one of A and B occurs is 0.6. If A and B occur simultaneously with probability 0.3, then find the probability of non-occurrence of  A+ Probability of non-occurrence of B.
MEDIUM
VITEEE
IMPORTANT
The probability of India winning a test match against Australia is 12 assuming independence from match to match. The probability that in a match series India's second win occurs at third test match is