What is the probability that 4 children selected at random would have different birthdays?

What isthe probability that a leap year selected at random have 53 Sundays?

Find the probability that a leap year selected at random will have 53 fridays.

The probability that a leap year selected at random will have 54 Sundays is

Find the probability that a non leap year selected at random will have 53 fridays.

Find the probability that a leap year selected at random will have 53 Sundays.

Find the probability that a leap year selected at random will have 53 Sundays.

What is the probability that a leap year selected at random contains 53 Sunday?

What is the probability that a non-leap year selected at random will contain 53 mondays?

Savita and Hamida are friends. What is the probability that both will have (i) the same birthday? (ii) different birthdays? (ignoring a leap year).

Savita and Hamida are friends.What is the probability that both will have same birthday? different birthday? (ignoring a leap year).