PAINTER VERSION 4BACK Chapter 6, Section 3-CI, Exercise 139 Use the normal distribution to find a confidence interval for a difference in proportions p, - p, given the relevant sample results. Assume the results come fro nment details A 99% confidence interval for p, - p2 given that p, = 0.72 with n = 440 and p, = 0.62 with n2 = 310 Give the best estimate for p, - P2, the margin of error, and the confidence interval. Round your answer for the best estimate to two decimal places and round your answers for the margin of error and the confidence interval to three decimal pla Best estimate : Margin of error : to Confidence interval :
PAINTER VERSION 4BACK Chapter 6, Section 3-CI, Exercise 139 Use the normal distribution to find a confidence interval for a difference in proportions p, - p, given the relevant sample results. Assume the results come fro nment details A 99% confidence interval for p, - p2 given that p, = 0.72 with n = 440 and p, = 0.62 with n2 = 310 Give the best estimate for p, - P2, the margin of error, and the confidence interval. Round your answer for the best estimate to two decimal places and round your answers for the margin of error and the confidence interval to three decimal pla Best estimate : Margin of error : to Confidence interval :
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Chapter 6, Section 3-CI, Exercise 139
Use the normal distribution to find a confidence interval for a difference in proportions p, - P2 given the relevant sample results. Assume the results come from random
to assignment details
A 99% confidence interval for p, - P2 given that p, = 0.72 with n =
given that p1 = 0.72 with nị =
440 and p, = 0.62 with n2 =
310
Give the best estimate for p, - p2, the margin of error, and the confidence interval.
Round your answer for the best estimate to two decimal places and round your answers for the margin of error and the confidence interval to three decimal places.
Best estimate:
Margin of error :
to
Confidence interval :
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