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Show your solutions and draw the curves for the word problems. II. Word Problems. 2. The average test scores of students in NSTP class were 70 with a standard deviation of 8. There are 500 students in this class. Use the positive and negative z-score table to answer the following questions. a. What is the probability of randomly selecting students with a score of less than 65? b. How many students scored above 85? c. The middle 50% of test scores fall between what two points?

Show your solutions and draw the curves for the word problems. II. Word Problems. 2. The average test scores of students in NSTP class were 70 with a standard deviation of 8. There are 500 students in this class. Use the positive and negative z-score table to answer the following questions. a. What is the probability of randomly selecting students with a score of less than 65? b. How many students scored above 85? c. The middle 50% of test scores fall between what two points?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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Show your solutions and draw the curves for the word problems. II. Word Problems. 2. The average test scores of students in NSTP class were 70 with a standard deviation of 8. There are 500 students in this class. Use the positive and negative z-score table to answer the following questions. a. What is the probability of randomly selecting students with a score of less than 65? b. How many students scored above 85? c. The middle 50% of test scores fall between what two points?
Transcribed Image Text:Show your solutions and draw the curves for the word problems. II. Word Problems. 2. The average test scores of students in NSTP class were 70 with a standard deviation of 8. There are 500 students in this class. Use the positive and negative z-score table to answer the following questions. a. What is the probability of randomly selecting students with a score of less than 65? b. How many students scored above 85? c. The middle 50% of test scores fall between what two points?
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