Two friends Anil and Ashraf were born in the December month in the year 2010. Find the probability that:
(i) they share same date of birth.
(ii) they have different dates of birth.

Question

Accepted Answer

Step 1: Number of days in December 2010 $= 31$.
(i) $P(	ext{same date of birth}) = \frac{1}{31}$
Step 2: (ii) $P(	ext{different dates of birth}) = \frac{30}{31}$

Question

Solution