The mean breaking strength of yarn used in manufacturing drapery material is required to be at least 100 psi. Past experience ha

Question

2 years ago

12

The mean breaking strength of yarn used in manufacturing drapery material is required to be at least 100 psi. Past experience ha

s indicated that the standard deviation of breaking strength is 3.0 psi. A random sample of 9 specimens is tested, and the average breaking strength is found to be 100.6 psi. (a) Calculate the P-value. Round your answer to 3 decimal places. (b) If α = 0.05, should the fiber be judged acceptable?

Mathematics

1 answer:

Rudiy27 · Answer 1 · 2022-09-03T22:14:05+03:00

Rudiy272 years ago

5 0

Answer:

a. P-value=0.421

b. not significant

Step-by-step explanation:

check attachment for further details

Download pdf