Question

Code for she will have to find the probability that a n digit number selected at random will be a multiple of 3 but not by 5. Ishi wants to eat pizza as soon as possible .Help her to solve the problem.

Answer 1

Average of following set of numbers is (1+2+2+3+3+3+4+4+4+4)/10 = 30/10 = 3

Probability of getting 3 = no.of times 3 appears/ total no.
= 3/10

Probability that no is the average = 3/10