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In the past Algebra classes, records show that the average score of the students in the mid-term exam was computed to be equal to 83.5 with a standard deviation of 4.82. If there are 50 students in a particular class, then assuming normality of the distribution, how many of the students are expected to have a midterm score of a.) Above 83.5? b.) Below 70? c.) Above 90?

In the past Algebra classes, records show that the average score of the students in the mid-term exam was computed to be equal to 83.5 with a standard deviation of 4.82. If there are 50 students in a particular class, then assuming normality of the distribution, how many of the students are expected to have a midterm score of a.) Above 83.5? b.) Below 70? c.) Above 90?

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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In the past Algebra classes, records show that the average score of the students in the mid-term exam was computed to be equal to 83.5 with a standard deviation of 4.82. If there are 50 students in a particular class, then assuming normality of the distribution, how many of the students are expected to have a midterm score of a.) Above 83.5? b.) Below 70? c.) Above 90? d.) Between 75-85?
Transcribed Image Text:In the past Algebra classes, records show that the average score of the students in the mid-term exam was computed to be equal to 83.5 with a standard deviation of 4.82. If there are 50 students in a particular class, then assuming normality of the distribution, how many of the students are expected to have a midterm score of a.) Above 83.5? b.) Below 70? c.) Above 90? d.) Between 75-85?
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