A number with faces numbered 1 to 6 is rolled 15 in theory how many times would youbexpect to roll less than 5?

10 times is how many times you'll expect to roll less than 5

Number of possible outcome = 6

Number of possible outcome with less than 5 = 4

They are {1, 2, 3, 4}

P (less than 5) = 4/6 = 2/3

The dice is rolled 15 times.

Number of times it is less than 5 (theoretical) = 2/3 x 15 = 10

Answer: 10 times