purpleelk683Lv1
15 Nov 2021
Problem 91
Page 511
Section: HOMEWORK
Chapter 9: HYPOTHESIS TESTING WITH ONE SAMPLE
Textbook ExpertVerified Tutor
15 Nov 2021
Given information
The sample size(n)=101; the standard deviation(s)=21; mean for the population()=96;
Step-by-step explanation
Step 1.
Let = the average of the population mean of the spots on each donation.
Now, : (the null hypothesis) the mean of spots greater than 101 ();
: (the alternate hypothesis) the mean of spots less than 101 ();
Now, by the t-distribution formula;
;
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