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5. Suppose that we are going to sample 8 pieces of data from a normal distribution with a mean of 50 and a standard deviation of 3.5. Using the notation X for the sample mean, answer the following: a) What is the probability that our data average will be larger than 49.4? b) Find k so that P(k

5. Suppose that we are going to sample 8 pieces of data from a normal distribution with a mean of 50 and a standard deviation of 3.5. Using the notation X for the sample mean, answer the following: a) What is the probability that our data average will be larger than 49.4? b) Find k so that P(k

A First Course in Probability (10th Edition)
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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5. Suppose that we are going to sample 8 pieces of data from a normal distribution with a mean of 50 and a standard deviation of 3.5. Using the notation X for the sample mean, answer the following: a) What is the probability that our data average will be larger than 49.4? b) Find k so that P(k <X) = .025
Transcribed Image Text:5. Suppose that we are going to sample 8 pieces of data from a normal distribution with a mean of 50 and a standard deviation of 3.5. Using the notation X for the sample mean, answer the following: a) What is the probability that our data average will be larger than 49.4? b) Find k so that P(k <X) = .025
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