(a) Identify H, and H. Choose the correct answer below. O A. Ho: = 880 (claim) B. Ho: uS 80 H: u# 880 Ha:u>880 (claim) OC. Họ: u> 920 (claim) O D. Ho: us 920 H: p> 920 (claim) H: us 920 O E. Ho: u> 880 (claim) OF. Ho: u=920 Ha: us 880 Ha:u+ 920 (claim) (b) Find the critical value(s) and identify the rejection region(s). Select the correct choice below and fill in the answer box within your choice. Use technology. (Round to two decimal places as needed.) O A. The critical values are t O B. The critical value is
(a) Identify H, and H. Choose the correct answer below. O A. Ho: = 880 (claim) B. Ho: uS 80 H: u# 880 Ha:u>880 (claim) OC. Họ: u> 920 (claim) O D. Ho: us 920 H: p> 920 (claim) H: us 920 O E. Ho: u> 880 (claim) OF. Ho: u=920 Ha: us 880 Ha:u+ 920 (claim) (b) Find the critical value(s) and identify the rejection region(s). Select the correct choice below and fill in the answer box within your choice. Use technology. (Round to two decimal places as needed.) O A. The critical values are t O B. The critical value is
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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Transcribed Image Text:A company claims that the mean monthly residential electricity consumption in a certain region is more than 880 kiloWatt-hours (kWh). You want to test this claim. You find that a random sample of 60 residential customers has a mean monthly
consumption of 920 kWh. Assume the population standard deviation is 129 kWh. At a = 0.01, can you support the claim? Complete parts (a) through (e).
(a) Identify Ho and Ha. Choose the correct answer below.
OA. Ho: = 880 (claim)
B. Ho: us 880
H: u#880
Ha:u>880 (claim)
OC. Ho: u> 920 (claim)
H:us 920
O D. Ho: us 920
Ha: u> 920 (claim)
O E. Ho: µ> 880 (claim)
OF. Ho: u=920
Ha:u+920 (claim)
H:us 880
(b) Find the critical value(s) and identify the rejection region(s). Select the correct choice below and fill in the answer box within your choice. Use technology.
(Round to two decimal places as needed.)
O A. The critical values are +.
O B. The critical value is
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