Seven similar balls are placed in a bag. The balls have the numbers 1 to 7 on

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Seven similar balls are placed in a bag. The balls have the numbers 1 to 7 on them. A ball is drawn out of the bag. The variable X represents the number on the ball. a Find E(X). b Work out Var(X).

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Edexcel As And A Level Modular Mathematics Statistics 1

ISBN: 978-0435519124

1st Edition

Authors: Keith Pledger Et Al

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Question Posted: Jul 29, 2024 08:01 AM

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Seven similar balls are placed in a bag. The balls have the numbers 1 to 7 on

Question:

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Edexcel As And A Level Modular Mathematics Statistics 1

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