Question

the mean age of bus drivers in chicago is 54.7 years. if a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis?

a. there is not sufficient evidence to support the claim μ = 54.7.
b. there is sufficient evidence to support the claim μ = 54.7.
c. there is not sufficient evidence to reject the claim μ = 54.7.
d. there is sufficient evidence to reject the claim μ = 54.7.

Explanation:

In hypothesis testing, the null hypothesis \(H_0:\mu = 54.7\). When we reject the null hypothesis, it means that the sample data provides enough evidence against the null hypothesis. So, rejecting \(H_0\) implies there is sufficient evidence to reject the claim that \(\mu = 54.7\).

Answer:

D. There is sufficient evidence to reject the claim \(\mu = 54.7\).