Question

A year is chosen at random from the set of years {2012, 2013, … , 2021}. From the chosen year, a month is chosen at random and from the chosen month, a day is chosen at random. Given that the chosen day is the 29th of a month, the conditional probability that the chosen month is February equals

• A. $\frac{279}{9965}$
• B. $\frac{289}{9965}$
• C. $\frac{269}{9965}$
• D. $\frac{259}{9965}$

Answer 1

Answer: (A)

$\frac{279}{9965}$

Answer 2

The correct option is (A) : $\frac{279}{9965}$.