Batzs3rdacct

13.12.2019 • 

Mathematics

The mean breaking strength of yarn used in manufacturing drapery material is required to be at least 100 psi. past experience has indicated that the standard deviation of breaking strength is 3.3 psi. a random sample of 9 specimens is tested, and the average breaking strength is found to be 100.6 psi.

a)what is the numerical value of your test statistic, z0?
b)what is the p-value resulting from the test of part a? answer to three decimal places.
c)what is the probability of type ii error for the hypothesis test of part a if the true population mean is 101.3 psi? answer to three decimal places

Ответ:

emily12403

03.06.2023

Mathematics

---

The answer is

Solution: x = 12;

Extraneous solution: x = –4

Step-by-step explanation:

---

0,0(0 оценок)