Suppose you roll a die 30 times. Predict the number of times you will roll each of the following: a) a number less than 3. b) A number other than 3.

Answer 1

A number less than 3 (1 or 2) will occur 1/3 of the time or 10 times in 30 rolls

A number other than 3 will occur 5/6 of the time or 25 times in 30 rolls