Find the probability that a year selected will have 53 wednesdays.

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.

Find the probability that a leap year will have 53 Friday or 53 Saturdays.

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

A letters is taken at random from the letters of the word 'ASSISTANT' and another letter is taken at random from the letters of the word 'STATISTICS'. Find the probability that the selected letters are the same.

The probability that a leap year selected at random will contain 53 Sundays is

The probability that a non-leap year selected at random will contain 53 Sunday is

What is the probability that an ordinary year has 53 sundays?