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Consider the following results for independent samples taken from two populations. Sample 1 Sample2 n2 200 P2# 0.31 P1- 0.43 a. What is the point estimate of the difference between the two population proportions (to 2 decimals)? | b. Develop a 90% confidence interval for the difference between the two population proportions (to 4 decimals). Use z-table. to c. Develop a 95% confidence interval for the difference between the two population proportions (to 4 decimals). Use z-table. to
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Ansuwer iven hal fofula Hons SamPI I n2 90 0 臼-o, 31 (0.43-0.31) 0-12 9 iven CI 005.45 0.43 (1-0.43) → 0.31(1-0.31) 400 40 0

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