What is the probability that the sum of the 2 rolls is less than 6 given that the first roll is a 3?
1 Answer
May 1, 2017
The probability is
Explanation:
Sum of two rolls must be less than 6.
So the sum of rolls must be equal to or less than 5.
The first roll is given 3.
The second roll may be 1 to 6. So, total number of events 6
The number of favourable events -
First roll Second roll
3 1
3 2
Number of favourable events 2
The required probability
