Question

The probability of rolling a number less than 3 on a number cube is 2/6. Jennifer rolls a number cube 69 times. How many times should Jennifer expect to roll a number less than 3?

Answer 1

30

Explanation:

Answer 2

Jennifer should expect a number less than 3 23 times

Explanation:

The probability of rolling a number less than 3 on a number cube is 2/6. .

The probability of rolling a number less than 3 on a number cube is 2/6

= 1/3

Jennifer rolls a number cube 69 times

Expectations= probability*total outcome

Expectations= 1/3 * 69

Expectations= 69/3

Expectations= 23 times