Each child in a group of 80 was asked whether they regularly read (R) or regularly watch
Question:
Each child in a group of 80 was asked whether they regularly read (R) or regularly watch a movie (M). The results are given in the Venn diagram opposite. One child is selected at random from the group. Event R is ‘a child who regularly reads is selected’ and event M is ‘a child who regularly watches a movie is selected’.
Determine, with justification, whether events R and M are independent.
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answer Two events A and B are independent if and only if the occurrence of on...View the full answer
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Related Book For 
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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