Tesla tires claim that its high-class tire averages at least 60,000 miles before replacement. It is said to have a standard deviation of 7,000. Tesla users were asked about the tire and resulted to 24 tires surveyed with the mean lifespan was 45,000 miles. Using alpha=0.05, is the data highly inconsistent with the claim?
Tesla tires claim that its high-class tire averages at least 60,000 miles before replacement. It is said to have a standard deviation of 7,000. Tesla users were asked about the tire and resulted to 24 tires surveyed with the mean lifespan was 45,000 miles. Using alpha=0.05, is the data highly inconsistent with the claim?
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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What would be the value of the computed z-score and the decision on the hypothesis?
Transcribed Image Text:Tesla tires claim that its high-class tire averages at least 60,000 miles before
replacement. It is said to have a standard deviation of 7,000. Tesla users were asked
about the tire and resulted to 24 tires surveyed with the mean lifespan was 45,000
miles. Using alpha=D0.05, is the data highly inconsistent with the claim?
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