Bernoulli's Starter Quiz

Two students ‘P’ and ‘Q’ have the probability of solving a question correctly as 1/8 and 2/5 respectively. What is the probability that a particular questions remains unsolved?

The expectancy of wife & husband will be alive 30 years from now is 0.9 & 0.8 respectively. Calculate the probability that in 30 years, at-least one will be alive.

A pair of dice is rolled. If the number on both the dies are different then what is the probability that the sum of those numbers is less than or equal to 9?

A fair die is rolled. If the probability that first 4 appears on even throw is expressed as 0.abababab…., Than calculate a + b

A single unbiased die is tossed once. Calculate the probability of a 1 or 3 turning up.

For an event of unbiased die tossed twice, Find the probability of getting a 4, 5, or 6 on the first toss and a 1, 2, 3, or 4 on the second toss.