The probability that it will be a fine day is 0.4. Find the expected number of fine
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The probability that it will be a fine day is 0.4. Find the expected number of fine days in a week and also the standard deviation.
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Related Book For 
A Concise Course In Advanced Level Statistics With Worked Examples
ISBN: 9780748754755
4th Edition
Authors: J. Crawshaw, J. Chambers
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