A fast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is no more than 930 milligrams. A random sample of 59 breakfast sandwiches has a mean sodium content of 925 milligrams. Assume the population standard deviation is 17 milligrams. At a = 0.05, do you have enough evidence to reject the restaurant's claim? Complete parts (a) through (e). (a) Identify the null hypothesis and alternative hypothesis. Ο Α. Hρ: μ> 930 Ha: us 930 (claim) O B. Ho: us925 Ha:u<925 (claim) OC. Ho: u930 (claim) Ha:=930 O D. Ho: u<925 (claim) H:u2925 O E. Ho: = 925 (claim) H:H925 OF. Ho: us930 (claim) H:u> 930 (b) Identify the critical value(s). Use technology. (Use a comma to separate answers as needed. Round to two decimal places as needed.) Identify the rejection region(s). Select the correct choice below. O A. The rejection regions are z>1.64 and z< -1.64. O B. The rejection region is z<1.64. OC. The rejection region is z>1.64. (c) Identify the standardized test statistic. Use technology. z= (Round to two decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim. O A. Fail to reject Ho. There is not sufficient evidence to reject the claim that mean sodium content is no more than 930 milligrams. O B. Reject Ho. There is sufficient evidence to reject the claim that mean sodium content is no more than 930 milligrams. O C. Fail to reject Ho. There is sufficient evidence to reject the claim that mean sodium content is no more than 930 milligrams. OD. Reject Ho. There is not sufficient evidence to reject the claim that mean sodium content is no more than 930 milligrams.
A fast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is no more than 930 milligrams. A random sample of 59 breakfast sandwiches has a mean sodium content of 925 milligrams. Assume the population standard deviation is 17 milligrams. At a = 0.05, do you have enough evidence to reject the restaurant's claim? Complete parts (a) through (e). (a) Identify the null hypothesis and alternative hypothesis. Ο Α. Hρ: μ> 930 Ha: us 930 (claim) O B. Ho: us925 Ha:u<925 (claim) OC. Ho: u930 (claim) Ha:=930 O D. Ho: u<925 (claim) H:u2925 O E. Ho: = 925 (claim) H:H925 OF. Ho: us930 (claim) H:u> 930 (b) Identify the critical value(s). Use technology. (Use a comma to separate answers as needed. Round to two decimal places as needed.) Identify the rejection region(s). Select the correct choice below. O A. The rejection regions are z>1.64 and z< -1.64. O B. The rejection region is z<1.64. OC. The rejection region is z>1.64. (c) Identify the standardized test statistic. Use technology. z= (Round to two decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim. O A. Fail to reject Ho. There is not sufficient evidence to reject the claim that mean sodium content is no more than 930 milligrams. O B. Reject Ho. There is sufficient evidence to reject the claim that mean sodium content is no more than 930 milligrams. O C. Fail to reject Ho. There is sufficient evidence to reject the claim that mean sodium content is no more than 930 milligrams. OD. Reject Ho. There is not sufficient evidence to reject the claim that mean sodium content is no more than 930 milligrams.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Transcribed Image Text:A fast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is no more than 930 milligrams. A random sample of 59 breakfast sandwiches has a mean sodium content of 925 milligrams. Assume the
population standard deviation is 17 milligrams. At a = 0.05, do you have enough evidence to reject the restaurant's claim? Complete parts (a) through (e).
(a) Identify the null hypothesis and alternative hypothesis.
О В. Н: иs925
OC. Ho: H#930 (claim)
O A. Ho: H> 930
Ha: HS 930 (claim)
Ha: µ< 925 (claim)
Ha: µ= 930
O E. Ho: H= 925 (claim)
Ha:H#925
OF. Ho: us930 (claim)
Ha: H > 930
O D. Ho: H< 925 (claim)
Ha: µ2 925
(b) Identify the critical value(s). Use technology.
Zo =|
(Use a comma to separate answers as needed. Round to two decimal places as needed.)
Identify the rejection region(s). Select the correct choice below.
O A. The rejection regions are z>1.64 and z< - 1.64.
O B. The rejection region isz<1.64.
OC. The rejection region isz> 1.64.
(c) Identify the standardized test statistic. Use technology.
(Round to two decimal places as needed.)
(d) Decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim.
O A. Fail to reject Ho. There is not sufficient evidence to reject the claim that mean sodium content is no more than
O B. Reject Ho. There is sufficient evidence to reject the claim that mean sodium content is no more than 930
930 milligrams.
milligrams.
O C. Fail to reject Ho. There is sufficient evidence to reject the claim that mean sodium content is no more than 930
O D. Reject Ho. There is not sufficient evidence to reject the claim that mean sodium content is no more than 930
milligrams.
milligrams.
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