A fast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is no more than 914 milligrams. A random sample of 39 breakfast sandwiches has a mean sodium content of 905 milligrams. Assume the population standard deviation is 21 milligrams. At α=0.10, do you have enough evidence to reject the restaurant's claim? Complete parts (a) through (e). Part 1 (a) Identify the null hypothesis and alternative hypothesis. A.) H0: μ≤914 (claim) Ha: μ>914 B.) H0:μ≠914(claim) Ha: μ=914
A fast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is no more than 914 milligrams. A random sample of 39 breakfast sandwiches has a mean sodium content of 905 milligrams. Assume the population standard deviation is 21 milligrams. At α=0.10, do you have enough evidence to reject the restaurant's claim? Complete parts (a) through (e). Part 1 (a) Identify the null hypothesis and alternative hypothesis. A.) H0: μ≤914 (claim) Ha: μ>914 B.) H0:μ≠914(claim) Ha: μ=914
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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A fast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is no more than
914 milligrams. A random sample of 39 breakfast sandwiches has a mean sodium content of 905 milligrams. Assume the population standard deviation is 21 milligrams. At α=0.10, do you have enough evidence to reject the restaurant's claim? Complete parts (a) through (e).
Part 1
(a) Identify the null hypothesis and alternative hypothesis.
A.) H0: μ≤914 (claim)
Ha: μ>914
Ha: μ=914
Ha: μ<905 (claim)
Ha: μ≠905
Ha: μ≥905
Ha: μ≤914 (claim)
(b) Identify the critical value(s). Use technology.
Z0=____
Identify the rejection region(s) ______
(c) Identify the standardized test statistic. Use technology.
z=____
(d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim.
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