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A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A medical investigation claims that the average
number of infections per week at a hospital in
southwestern Pennsylvania is 80. A random sample of
14 weeks had been considered. Is there enough
evidence to reject the investigator's claim that the the
average number of infections per week is different
from 80 at a = 0.01 ?
a. alpha:
b. standard deviation:
C. t Test Value:
d. t Critical Value (For two-tailed t, give the positive
value):
Transcribed Image Text:A medical investigation claims that the average number of infections per week at a hospital in southwestern Pennsylvania is 80. A random sample of 14 weeks had been considered. Is there enough evidence to reject the investigator's claim that the the average number of infections per week is different from 80 at a = 0.01 ? a. alpha: b. standard deviation: C. t Test Value: d. t Critical Value (For two-tailed t, give the positive value):
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