t has been found that 15% of customers at a particular restaurant wait longer than 35 minutes for their order. We assume normal distribution, and randomly select 105 customers. Q.3.2.1 Determine the standard error for this sample. Q.3.2.2 What is the probability that, for the sample of 105 customers, the proportion who wait longer than 35 minutes for their order is greater than 15.75%? Interpret your answer.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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It has been found that 15% of customers at a particular restaurant wait longer than 35 minutes for their order. We assume normal distribution, and randomly select 105 customers.

Q.3.2.1 Determine the standard error for this sample.

Q.3.2.2 What is the probability that, for the sample of 105 customers, the proportion who wait longer than 35 minutes for their order is greater than 15.75%? Interpret your answer.

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