An examination was taken by 50 students. The 22 boys scored a mean of 71% and the

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An examination was taken by 50 students. The 22 boys scored a mean of 71% and the girls scored a mean of 76%. Find the mean score of all the students.

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Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

ISBN: 9781108407304

1st Edition

Authors: Dean Chalmers, Julian Gilbey

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Question Posted: Sep 10, 2021 02:27 AM

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An examination was taken by 50 students. The 22 boys scored a mean of 71% and the

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We will find the marks scored by each category Total Marks for boysmean for t...View the full answer

Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

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