Answered: and a random sample of 1250 of these…

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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What proportion of pizza restaurants whose primary business is through walk-in business have a Salad Bar also? Dominos want to determine this figure and a random sample of 1250 of these restaurants was selected in Delhi and nearby cities with the help of yellow pages. If 997 of these sampled restaurants have a salad bar what is the 98% confidence interval for the population proportion.

b) Bhushan steel selected a randomly selected sample representing measurements of machine part that is supposed to weigh 8.3 pounds. Imagine alpha=.01 and test the hypothesis that the parts average 8.3 pounds.

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