Question

A number cube has sides labeled 1 to 6. Tess rolls the number cube 30 times. How many times can she expect to roll a number less than 5?

Answer 1

there are four sides that are less than 5

each side is expected to come up 1/6 of the time

4/6 * 30 = ?

Answer 2

i need help

Answer 3

is that a division sign ?