*Use the appropriate z-score formula for each of the following problems. Show this work only. Then use your calculator to find the appropriate probability. 1. A. B. Scores on a recent Statistics final exam in a large class were normally distributed with a mean of 79.3 and a standard deviation of 7.9. If a random student from this class was selected then what is the probability that this student had a score above 85? (SHOW ALL WORK BELOW) A. If a sample of 38 students is drawn from this class, what is the probability that their mean score will be above 85? (SHOW ALL WORK BELOW)
*Use the appropriate z-score formula for each of the following problems. Show this work only. Then use your calculator to find the appropriate probability. 1. A. B. Scores on a recent Statistics final exam in a large class were normally distributed with a mean of 79.3 and a standard deviation of 7.9. If a random student from this class was selected then what is the probability that this student had a score above 85? (SHOW ALL WORK BELOW) A. If a sample of 38 students is drawn from this class, what is the probability that their mean score will be above 85? (SHOW ALL WORK BELOW)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Use the appropriate z-score formula for each of the following problems. Show this work only. Then use your calculator to find the appropriate probability.
1. Scores on a recent Statistics final exam in a large class were normally distributed with a mean of 79.3 and a standard deviation of 7.9.
A. If a random student from this class was selected, then what is the probability that this student had a score above 85? (SHOW ALL WORK BELOW)
A. __________
B. If a sample of 38 students is drawn from this class, what is the probability that their mean score will be above 85? (SHOW ALL WORK BELOW)
B. __________
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