ICSE Class 10 Answered
a die is rolled .if outcome is an even number , what is the probability that it is a prime number.
Asked by Adarsh Srivastava | 21 Oct, 2013, 12:50: AM
Expert Answer
When a die is rolled, the sample space S = {1, 2, 3, 4, 5, 6)
Let E be an event that outcome is an even number.
Thus, n(E) = {2, 4, 6) 
P(E) = 
P(E) = Out of {2, 4, 6}, there is only one prime number 2.
Let M be an event of getting a prime number.
Thus,
Answered by Rashmi Khot | 21 Oct, 2013, 09:54: AM
