The variable Q ~ B(n, ), and its standard deviation is one-third of its mean. Calculate the

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The variable Q ~ B(n, ¼), and its standard deviation is one-third of its mean. Calculate the non-zero value of n and find P(5 < Q < 8).

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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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The variable Q ~ B(n, ), and its standard deviation is one-third of its mean. Calculate the

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n 48 P5 Q 8 09179Explanation We know that the mean of the distribution is given by Mean n x p ...View the full answer

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

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