Question

a stop light has the following cycle green for 50 seconds yellow for 4 seconds and red for 62 seconds if you arrive at the light 50 times predict how many times you will have to stop and wait more than 4 seconds

Answer 1

Answer:

the road user will have to wait for more than 4 seconds 17times

Step-by-step explanation

The red signal is for stop and the probability of it happening is 1/3 for the first time.

For 50 times it will be (1/3)× 50 = 16.666667

Hence the road user will have to wait for more than 4 seconds 17times

Answer 2

Answer:

About 25 times

Step-by-step explanation:

Probability = 58/116 = 0.5

number of times =0.5 *50 = 25

answer is 25 times