In an entrance test of 200 students, the mean score was 60 with a standard deviation of 8. Assuming normality How many students got scores between 62 and 74? b. How many students got scores below 55? c. How many students got scores above 75? d. What limits will include the middle of 30% of the cases?
In an entrance test of 200 students, the mean score was 60 with a standard deviation of 8. Assuming normality How many students got scores between 62 and 74? b. How many students got scores below 55? c. How many students got scores above 75? d. What limits will include the middle of 30% of the cases?
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
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![In an entrance test of 200 students, the mean score was 60 with a standard deviation of 8.
Assuming normality
How many students got scores between 62 and 74?
b.
How many students got scores below 55?
c. How many students got scores above 75?
d. What limits will include the middle of 30% of the cases?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F077ed866-3286-4792-99f1-3dde6ff4913e%2F9d99798a-d84a-49cc-9838-a4b6dd86b59d%2Fcqwx8p_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In an entrance test of 200 students, the mean score was 60 with a standard deviation of 8.
Assuming normality
How many students got scores between 62 and 74?
b.
How many students got scores below 55?
c. How many students got scores above 75?
d. What limits will include the middle of 30% of the cases?
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