A random sample of 10 houses was taken from the population of 120. The average population per house is 10 members with the standard deviation of 4 members. Determine the probability that the sample mean is within 3 members from the population mean Explain whether the above answer is exact or an estimate. Determine the probability in (a) by using the sample size increased by 15.
A random sample of 10 houses was taken from the population of 120. The average population per house is 10 members with the standard deviation of 4 members. Determine the probability that the sample mean is within 3 members from the population mean Explain whether the above answer is exact or an estimate. Determine the probability in (a) by using the sample size increased by 15.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A random sample of 10 houses was taken from the population of 120. The average population per house is 10 members with the standard deviation of 4 members.
- Determine the probability that the sample
mean is within 3 members from the population mean
- Explain whether the above answer is exact or an estimate.
- Determine the probability in (a) by using the
sample size increased by 15.
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