If two fair dice are tossed, then what is the probability that the sum of the numbers on the faces of the dice is strictly greater than 7?

What is the arithmetic mean of 8², 9², 10², …, 15²?

Let X be a random variable following binomial distribution whose mean and variance are 200…

The probability of a man hitting a target is 1/5. If the man fires 7…

If P(A) = 1/3, P(B) = 1/2 and P(A ∩ B) = 1/4, then what…

If P(A) = 1/3, P(B) = 1/2 and P(A ∩ B) = 1/4, then what…