If you roll a normal dice 120 times. how many 4s would you except to get

Roll the dice 120 times

Number of outcomes from rolling the dice = 6

Probability of 4 falling in 1 roll = 1/6

Probability of the number of 4s in 120 rolls = 120 * 1/6

= 20 times

The probability that 4s falls in 120 dice rolls is 20 times.