place. Answer: Lower endpoint: Upper endpoint: 41. Given two independent random samples with the following results: n1 = 225 p1 = 0.47 n2 = 272 p2 = 0.67 Use this data to find the 98% confidence interval for the true difference between the population proportions. Step 1. Find the critical value that should be used in constructing the confidence interval. Answer: Step 2. Find the value of the standard error. Round your answer to three decimal places.

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Author:Amos Gilat
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place.
Answer: Lower endpoint:
Upper endpoint:
41.
Given two independent random samples with the following results:
n1 = 225
p1 = 0.47
n2 = 272
p2 = 0.67
Use this data to find the 98% confidence interval for the true difference between the
population proportions.
Step 1. Find the critical value that should be used in constructing the confidence
interval.
Answer:
Step 2. Find the value of the standard error. Round your answer to three decimal
places.
Answer:
Step 3. Construct the 98% confidence interval. Round your answers to three decimal
places.
Answer: Lower endpoint:
Upper endpoint:
Find the best point estimate for the ratio of the population variances given the following
sample statistics. Round your answer to four decimal places.
42.
Transcribed Image Text:place. Answer: Lower endpoint: Upper endpoint: 41. Given two independent random samples with the following results: n1 = 225 p1 = 0.47 n2 = 272 p2 = 0.67 Use this data to find the 98% confidence interval for the true difference between the population proportions. Step 1. Find the critical value that should be used in constructing the confidence interval. Answer: Step 2. Find the value of the standard error. Round your answer to three decimal places. Answer: Step 3. Construct the 98% confidence interval. Round your answers to three decimal places. Answer: Lower endpoint: Upper endpoint: Find the best point estimate for the ratio of the population variances given the following sample statistics. Round your answer to four decimal places. 42.
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