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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Basic Computation: Normal Approximation to a Binomial Distribution Suppose we have a binomial experiment with n = 40 trials and probability of success p = 0.85.
(a) Is it appropriate to use a normal approximation to this binomial distribution? Why?
(b) Compute  and s of the approximating normal distribution.
(c) Use a continuity correction factor to convert the statement r < 30 successes to a statement about the corresponding normal variable x.
(d) Estimate P(r < 30).
(e) Interpretation Is it unusual for a binomial experiment with 40 trials and probability of success 0.85 to have fewer than 30 successes? Explain.
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