A fair coin is tossed repeatedly until a head appears or three tosses have been made. The
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A fair coin is tossed repeatedly until a head appears or three tosses have been made. The random variable T represents the number of tosses of the coin. a Show that the distribution of T is t 1 2 3 P(T-t) 1 b Find the expectation and variance of T.
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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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