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The pass result of 50 students who took a class test is given below: Marks : 60 70 90 Number of students : 9 6 3 If the mean marks for all the students was 51.6, the mean marks of the students who failed is (Round your final answer to the nearest tenth and type it in decimal form.) 80

The pass result of 50 students who took a class test is given below: Marks : 60 70 90 Number of students : 9 6 3 If the mean marks for all the students was 51.6, the mean marks of the students who failed is (Round your final answer to the nearest tenth and type it in decimal form.) 80

PREALGEBRA
PREALGEBRA
15th Edition
ISBN:9781938168994
Author:OpenStax
Publisher:OpenStax
Chapter5: Decimals
Section5.5: Averages And Probability
Problem 367E: In the following exercises, find the mean. The number of minutes it took Jim to ride his bike to...
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The pass result of 50 students who took a class test is given below: Marks 70 80 90 : 60 9 6 4 3 If the mean marks for all the students was 51.6, the mean marks of the students who failed is (Round your final answer to the nearest tenth and type it in decimal form.) Answer: Number of students :
Transcribed Image Text:The pass result of 50 students who took a class test is given below: Marks 70 80 90 : 60 9 6 4 3 If the mean marks for all the students was 51.6, the mean marks of the students who failed is (Round your final answer to the nearest tenth and type it in decimal form.) Answer: Number of students :
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