A test is made of H0: = 130 versus H1: 130. A sample of

Question:

A test is made of H0: μ = 130 versus H1: μ ≠ 130.

A sample of size n = 63 is drawn, and x̄ = 135.

The population standard deviation is σ = 40.

a. Compute the value of the test statistic z.

b. Is H0 rejected at the α = 0.05 level?

c. Is H0 rejected at the α = 0.01 level?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

Question Posted: