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: 14:36. The average test marks in a particular class is 79. The standard deviation is 5. If the marks áre distributed normally, how many students in a class of 200 did not receive marks between 75 and 82? Given: Pr {0

: 14:36. The average test marks in a particular class is 79. The standard deviation is 5. If the marks áre distributed normally, how many students in a class of 200 did not receive marks between 75 and 82? Given: Pr {0

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 13PPS
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: 14:36. The average test marks in a particular class is 79. The standard deviation is 5. If the marks åre distributed normally, how many students in a class of 200 did not receive marks between 75 and 82? Given : Pr {0 <ZS-7} = -2580, Pr {0 sZS 6} = 2257, Pr (0<Z< 8} = 2881 where Z is a standard normal variable.
Transcribed Image Text:: 14:36. The average test marks in a particular class is 79. The standard deviation is 5. If the marks åre distributed normally, how many students in a class of 200 did not receive marks between 75 and 82? Given : Pr {0 <ZS-7} = -2580, Pr {0 sZS 6} = 2257, Pr (0<Z< 8} = 2881 where Z is a standard normal variable.
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