In Scotland, in November, on average 80% of days are cloudy. Assume that the weather on any
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In Scotland, in November, on average 80% of days are cloudy. Assume that the weather on any one day is independent of the weather on other days.
i. Use a normal approximation to find the probability of there being fewer than 25 cloudy days in Scotland in November (30 days).
ii. Give a reason why the use of a normal approximation is justified.
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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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