A small town has three traffic lights in a row down its main street. The chance of any one light being green is 50%. What is the probability that all three traffic lights will be green at the same time?

1/2

1/4

1/8

1/1

Question

Mathematics

Riya Butler

19 November, 10:18

A small town has three traffic lights in a row down its main street. The chance of any one light being green is 50%. What is the probability that all three traffic lights will be green at the same time?

1/2

1/4

1/8

1/1

+2

Answers (2)

Know the Answer?

Carmen Whitney · Answer 1

Your answer will be 1/8 because if one is 50% and theres three lights ... just kind of do the math

Ross Wolfe · Answer 2

One being green: 1/2 (as stated in the question)

Two being green simultaneously: 1/2 * 1/2 = 1/4

Three being green simultaneously: 1/2 * 1/2 * 1/2 = 1/8

A small town has three traffic lights in a row down its main street. The chance of any one light being green is 50%. What is the probability that all three traffic lights will be green at the same time?1/21/41/81/1

A small town has three traffic lights in a row down its main street. The chance of any one light being green is 50%. What is the probability that all three traffic lights will be green at the same time?

1/2

1/4

1/8

1/1