mpany that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola is 55 milligrams. You want to test this claim. During your tests, you find that a random sample of thirty 12-ounce bottles of cola has a mean ne content of 57.4 milligrams. Assume the population is normally distributed and the population standard deviation is 6.9 milligrams. At a = 0.04, can you reject the company's claim? Complete parts (a) through (e). CEFFE Ho: 257.4 H₂:μ<574 B. Ho: 57.4 H₂: *57.4 H₂: H=55 H₂:μ#55 Ho: #57.4 H₂:p=57.4 Find the critical value(s). Select the correct choice below and fill in the answer box within your choice. und to two decimal places as needed.) A. The critical values are ± 2.05. B. The critical value is. ntify the rejection region(s). Choose the correct answer below. A. Fail to reject Ho Q Fail to reject Ho Fail to reject Ho Q A A Reject Ho Reject Ho E 4 Find the standardized test statistic. =(Round to two decimal places as needed.) Reject Ho Reject Ho Q du OD. Ho: 255 Η με 55 OF Ho: *55 Η μ=55

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
(c) Find the standardized test statistic.
A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola is 55 milligrams. You want to test this claim. During your tests, you find that a random sample of thirty 12-ounce bottles of cola has a mean
caffeine content of 57.4 milligrams. Assume the population is normally distributed and the population standard deviation is 6.9 milligrams. At a = 0.04, can you reject the company's claim? Complete parts (a) through (e).
CETED
OA. Ho: 257.4
Ha: μ< 57.4
OB. Ho: μ=57.4
H₂: H*57.4
C. Ho: k = 55
OD. Ho: με 55
H₂:μ<55
IN
H: #55
OE. Ho: #57.4
OF Ho: *55
Ha: p=57.4
H₂:μ=55
(b) Find the critical value(s). Select the correct choice below and fill in the answer box within your choice.
(Round to two decimal places as needed.)
A. The critical values are ± 2.05.
OB. The critical value is.
Identify the rejection region(s). Choose the correct answer below.
VA
OC.
OA
Fail to reject Ho
Fail to reject Ho
Fail to reject Ho
Q
Q
A
Reject Ho
Reject Ho
2
4
(c) Find the standardized test statistic.
z = (Round to two decimal places as needed.)
Reject Ho
Reject Ho
Q
Q
G
Q
4
Transcribed Image Text:A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola is 55 milligrams. You want to test this claim. During your tests, you find that a random sample of thirty 12-ounce bottles of cola has a mean caffeine content of 57.4 milligrams. Assume the population is normally distributed and the population standard deviation is 6.9 milligrams. At a = 0.04, can you reject the company's claim? Complete parts (a) through (e). CETED OA. Ho: 257.4 Ha: μ< 57.4 OB. Ho: μ=57.4 H₂: H*57.4 C. Ho: k = 55 OD. Ho: με 55 H₂:μ<55 IN H: #55 OE. Ho: #57.4 OF Ho: *55 Ha: p=57.4 H₂:μ=55 (b) Find the critical value(s). Select the correct choice below and fill in the answer box within your choice. (Round to two decimal places as needed.) A. The critical values are ± 2.05. OB. The critical value is. Identify the rejection region(s). Choose the correct answer below. VA OC. OA Fail to reject Ho Fail to reject Ho Fail to reject Ho Q Q A Reject Ho Reject Ho 2 4 (c) Find the standardized test statistic. z = (Round to two decimal places as needed.) Reject Ho Reject Ho Q Q G Q 4
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman