Answered: Identify H0and Ha. Choose the correct…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

A weight loss program claims that program participants have a mean weight loss of at least

12 pounds after 1 month. You work for a medical association and are asked to test this claim. A random sample of 30 program participants and their weight losses (in pounds) after 1 month is listed in the table below. Assume the population standard deviation is 4.

At α=0.08, do you have enough evidence to reject the program's claim? Complete parts (a) through (e).

5.1	6	6.1	6.5	7.4	7.8	7.8	8.2	8.2	8.4
8.8	9	9.1	9.4	9.8	9.8	10.3	10.4	10.6	10.7
11	11.1	11.6	11.6	11.6	12.1	12.5	12.7	13.3	15.9

(a) Identify H0and Ha.
Choose the correct answer below.

A. H0: μ≤12 Ha: μ>12

B.H0: μ<12 Ha: μ≥12

C. H0: μ>12 Ha: μ≤12

D. H0: μ≥12 Ha: μ<12

E. H0: μ=12 Ha: μ≠12

F. H0: μ≠12 Ha: μ= 12

Find the critical value(s). Select the correct choice below and fill in the answer box within your choice

the critical value is

The critical values are ±

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