*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)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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