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2. Ben gets a score of 75 in a Chemistry test and 70 in a Physics test. Scores in a Chemistry test have a mean of 65 and a standard deviation of 6. Scores in the Physics test have a mean of 66 and a standard deviation of 2. In which subject is her standing better assuming that the scores in the two subjects are nomally distributed?

2. Ben gets a score of 75 in a Chemistry test and 70 in a Physics test. Scores in a Chemistry test have a mean of 65 and a standard deviation of 6. Scores in the Physics test have a mean of 66 and a standard deviation of 2. In which subject is her standing better assuming that the scores in the two subjects are nomally distributed?

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
Section10.4: Distributions Of Data
Problem 19PFA
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2. Ben gets a score of 75 in a Chemistry test and 70 in a Physics test. Scores in a Chemistry test have a mean of 65 and a standard deviation of 6. Scores in the Physics test have a mean of 66 and a standard deviation of 2. In which subject is her standing better assuming that the scores in the two subjects are nomally distributed? 3. In a Mathematics test, the mean is 50 and the standard deviation is 5. Assuming the scores are normally distributed, what percent of the scores is; a. greater than 55? b. less than 60? C. between 40 and 55?
Transcribed Image Text:2. Ben gets a score of 75 in a Chemistry test and 70 in a Physics test. Scores in a Chemistry test have a mean of 65 and a standard deviation of 6. Scores in the Physics test have a mean of 66 and a standard deviation of 2. In which subject is her standing better assuming that the scores in the two subjects are nomally distributed? 3. In a Mathematics test, the mean is 50 and the standard deviation is 5. Assuming the scores are normally distributed, what percent of the scores is; a. greater than 55? b. less than 60? C. between 40 and 55?
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