Statement of a problem № m40273


A random sample of size 150 taken from a population yields a proportion equal to 0.35. a. Determine if the sample size is large enough so that the sampling distribution can be approximated by a normal distribution. b. Construct a 90% confidence interval for the population proportion. c. Interpret the confidence interval calculated in part b. d. Produce the margin of error associated with this confidence interval.

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