Question Bank

If P(A) = 0.5, P(B) = 0.3, and events A and B are independent, find P(A and B).

If two dice are thrown, what is the probability that the sum is a multiple of 4?

Probability of an event E is 0.05. What is the probability of 'not E'?

A month is chosen at random from a year. What is the probability that it starts with the letter 'J'?

If three coins are tossed, what is the probability of getting at least 2 heads?

In a well-shuffled deck of 52 cards, what is the probability of getting a queen of hearts?

From a set of numbers 1 to 30, what is the probability of picking a number divisible by 7?

If the probability of rain is 20%, what is the probability of no rain?

A coin is tossed 3 times. What is the probability of getting exactly one head?

What is the probability of getting a 5 on at least one die when two dice are thrown?

The median of first 50 natural numbers is:

If mode = 80 and mean = 110, then median is:

Mean of 100 observations is 50. If one observation 50 is replaced by 150, the new mean is:

Which of these is the most frequent value?

Find the mean of prime numbers between 10 and 20.

Median of data 1, 3, 9, 11, 2 is:

The relationship Mode = 3 Median - 2 Mean holds for:

The mean of x-2a, x-a, x, x+a, x+2a is:

If the mean of a distribution is 25 and the coefficient of variation is 20%, the standard deviation is:

What is the mode of 5, 5, 5, 5, 5?