The college bookstore tells prospective students that the average cost of its textbooks is $92 per book, with a standard deviati

Question

2 years ago

6

The college bookstore tells prospective students that the average cost of its textbooks is $92 per book, with a standard deviati

on of $15. The engineering students think that the average cost of their books is higher than the average for all students. To test the bookstore’s claim against their alternative, the engineering students collect a random sample of size 45, and calculate x = $97.34.
Grade: 5 4 3 2 1
Communication strong ←− − − − − − −→ weak ×2

Required:
Conduct a hypothesis test with α = 0.05 to see if the students’ claim is supported. Use the classical approach.

Mathematics

1 answer:

elena55 [62] · Answer 1 · 2022-09-22T08:34:35+03:00

elena55 [62]2 years ago

4 0

Answer:

Following are the solution to the given question:

Step-by-step explanation:

Please find the attached file for the solution.