Question

The probability that Janice will attend math class today is 62%. The probability that Ellie will attend math class if Janice attends is 100%. Ellie will not attend the class unless she hears from Janice first. What is the probability that both will attend the class?

a. 73%
b. 100%
c. 81%
d. 62%

Answer 1

The correct answer is d. 62%.

Since Ellie's decision will be based 100 % on Janice's decision, the probability that both will attend the class is 62 % because that is the chance that Janice will attend the class. Since Ellie just depends on Janice, the correct answer is d. 62%. I hope this answer helped you.