a. What is the probability that the sample mean will be greater than 35 (find the z and the p-value)? The probability that the sample mean will be greater than 35 is 0.9938. (Z = -2.5 and p-value = 0.9938) b. What is the probability that the sample mean will be less than 38 (find the z and the p value)? The probability that the sample mean will be less than 38 is 0.1587. (Z = -1 and p-value = 0.1587)
a. What is the probability that the sample mean will be greater than 35 (find the z and the p-value)? The probability that the sample mean will be greater than 35 is 0.9938. (Z = -2.5 and p-value = 0.9938) b. What is the probability that the sample mean will be less than 38 (find the z and the p value)? The probability that the sample mean will be less than 38 is 0.1587. (Z = -1 and p-value = 0.1587)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A sample of n = 25 scores is selected from a normal population with µ = 40 and σ = 10
a. What is the probability that the sample mean will be greater than 35 (find the z and the p-value)? The probability that the sample mean will be greater than 35 is 0.9938.
(Z = -2.5 and p-value = 0.9938)
b. What is the probability that the sample mean will be less than 38 (find the z and the p value)?
The probability that the sample mean will be less than 38 is 0.1587.
(Z = -1 and p-value = 0.1587)
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