Question

Cassie rolled two 1-6 cubes 108 times. How many times should she predict the sum of 5?

Answer 1

sum of 5:
14, 23, 32, 41 ----- 4 cases:

prob(5 with 2 dice) = 4/36 = 1/9

number of times for 108 rolls
= (1/9)(108) = 12