In: Math
Let n1equals100, Upper X 1equals50, n2equals100, and Upper X 2equals30. Complete parts (a) and (b) below. a. At the 0.01 level of significance, is there evidence of a significant difference between the two population proportions?
a) Calculate the test statistic, Upper Z Subscript STAT, based on the difference p1minusp2. The test statistic, Upper Z Subscript STAT.
b) While either a standardized normal distribution table or technology may be used to calculate the p-value, for this exercise, use technology. Identify the value of the p-value from your technology output.
c. Construct a 95% confidence interval estimate of the difference between the two population proportions.