State conditions under which the distribution Bin, p) can be approximated by a normal distribution. The random
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State conditions under which the distribution Bin, p) can be approximated by a normal distribution. The random variable X has the distribution B(25, 0.38).
(a) Verify that the distribution can be approximated by a normal distribution.
(b) Use the normal approximation to calculate the probability that X takes the values 15, 16, 17, 18 or 19.
(c) Use the normal approximation to calculate the probability that X takes the value 12. (C)
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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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