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A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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 alt="Grand Sun Buffet is a large restaurant chain. After paying for a meal at Grand Sun Buffet, customers are asked to rate the quality of the food as a
1, 2, 3, 4, or 5, where a rating of 1 means "not good" and 5 means "excellent". The customers' ratings have a population mean of µ=3.88, with
a standard deviation of o=1.38. Suppose that we will take a random sample of n=8 customers' ratings. Let x represent the sample mean of the
8 customers' ratings. Consider the sampling distribution of the sample mean x.
Complete the following. Do not round any intermediate computations. Write your answers with two decimal places, rounding if needed.
(a) Find H-
(the mean of the sampling distribution of the sample mean).
(b) Find o- (the standard deviation of the sampling distribution of the sample mean).
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Transcribed Image Text:Grand Sun Buffet is a large restaurant chain. After paying for a meal at Grand Sun Buffet, customers are asked to rate the quality of the food as a
1, 2, 3, 4, or 5, where a rating of 1 means "not good" and 5 means "excellent". The customers' ratings have a population mean of µ=3.88, with
a standard deviation of o=1.38. Suppose that we will take a random sample of n=8 customers' ratings. Let x represent the sample mean of the
8 customers' ratings. Consider the sampling distribution of the sample mean x.
Complete the following. Do not round any intermediate computations. Write your answers with two decimal places, rounding if needed.
(a) Find H-
(the mean of the sampling distribution of the sample mean).
(b) Find o- (the standard deviation of the sampling distribution of the sample mean).
Submit Assignment
Continue
O 2022 McGraw Hill LLC. Al Rights Reserved. Terms of Use | Privacy Center | Accessibility
? ?
étv
6
MacBook Alr
DII
%23
80
F7
FB
F9
F10
F11
F3
F5
24
4.
5
7
8.
9.
* C0
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