The average marks of 10 students on a class are 85 When the highest and the lowest marks are dropped, the average becomes 84 If the highest marks are 95, then find out the lowest marks 1 85 2 78 3 60 4 89 5 None of these The average marks of 10 students on a class are 85 When the highest and the l...

Solution 5 Let the lowest marks be x Total marks of 10 stude ...

The average marks of 10 students on a class are 85. When the highest and the...

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Probability and Statistics

ISBN: 978-0321500465

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Authors: Morris H. DeGroot, Mark J. Schervish

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Posted Date: May 05, 2022 12:09 PM

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