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Draw a sketch of given normal distribution

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Reference no: EM131423319

Draw some pictures. Consider the binomial setting with n = 50 and p = 0.4.

(a) The sample proportion p^ will have a distribution that is approximately Normal. Give the mean and the standard deviation of this Normal distribution.

(b) Draw a sketch of this Normal distribution. Mark the location of the mean.

(c) Find a value p* for which the probability is 95% that p^  will be between ±p*. Mark these two values on your sketch.

Reference no: EM131423319

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