Given a normal distribution with = 100 and = 10, if you select a sample

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Given a normal distribution with μ = 100 and σ = 10, if you select a sample of n = 25, what is the probability that X̅ is

a. Less than 95?

b. Between 95 and 97.5?

c. Above 102.2?

d. There is a 65% chance that X̅ is above what value?

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Business Statistics A First Course

ISBN: 9780135177785

8th Edition

Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan

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Question Posted: Feb 17, 2023 01:17 AM

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Given a normal distribution with = 100 and = 10, if you select a sample

Question:

Step by Step Answer:

PHstat output a P X 95 PZ 250 00062 b P95 X 975 P 250 Z 125 01056 00062 ...View the full answer

Business Statistics A First Course

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