Faced with rising fax costs, a firm issued a guideline that transmissions of 7 pages or more should be sent by 2-day mail instead. Exceptions are allowed, but they want the average to be 7 or below. The firm examined 33 randomly chosen fax transmissions during the next year, yielding a sample mean of 8.16 with a standard deviation of 3.64 pages. a-1) Find the test statistic. (Round your answer to 4 decimal places.) (a-2) At the .01 level of significance, is the true mean greater than 7? multiple choice No Yes (b) Use Excel to find the right-tail p-value. (Round your answer to 4 decimal places.)
Faced with rising fax costs, a firm issued a guideline that transmissions of 7 pages or more should be sent by 2-day mail instead. Exceptions are allowed, but they want the average to be 7 or below. The firm examined 33 randomly chosen fax transmissions during the next year, yielding a sample mean of 8.16 with a standard deviation of 3.64 pages. a-1) Find the test statistic. (Round your answer to 4 decimal places.) (a-2) At the .01 level of significance, is the true mean greater than 7? multiple choice No Yes (b) Use Excel to find the right-tail p-value. (Round your answer to 4 decimal places.)
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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Faced with rising fax costs, a firm issued a guideline that transmissions of 7 pages or more should be sent by 2-day mail instead. Exceptions are allowed, but they want the average to be 7 or below. The firm examined 33 randomly chosen fax transmissions during the next year, yielding a sample mean of 8.16 with a standard deviation of 3.64 pages.
a-1) Find the test statistic. (Round your answer to 4 decimal places.)
(a-2) At the .01 level of significance, is the true mean greater than 7?
multiple choice
-
No
-
Yes
(b) Use Excel to find the right-tail p-value. (Round your answer to 4 decimal places.)
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