MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question

Suppose that a garage finds that 30 customers of 138 customers samples get their oil changes on time. Find a 98% confidence interval of the true proportion.

What is the upper bound of the confidence interval? (round to 4 decimal places)

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