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Is steak your favorite barbeque food? July is National Grilling Month in the United States. A Harris Poll re- ported on a survey of Americans' grilling preferences. When asked about their favorite food prepared on a bar- beque grill, 662 of 1,250 randomly sampled Democrats pre- ferred steak, as compared to 586 of 930 randomly sampled Republicans. a. Give a point estimate for the proportion of all Democrats who prefer steak as their favorite barbeque food. b. Give a point estimate for the proportion of all Republicans who prefer steak as their favorite barbe- que food. c. Give a point estimate for the difference between the proportions of all Democrats and all Republicans who prefer steak as their favorite barbeque food.

Is steak your favorite barbeque food? July is National Grilling Month in the United States. A Harris Poll re- ported on a survey of Americans' grilling preferences. When asked about their favorite food prepared on a bar- beque grill, 662 of 1,250 randomly sampled Democrats pre- ferred steak, as compared to 586 of 930 randomly sampled Republicans. a. Give a point estimate for the proportion of all Democrats who prefer steak as their favorite barbeque food. b. Give a point estimate for the proportion of all Republicans who prefer steak as their favorite barbe- que food. c. Give a point estimate for the difference between the proportions of all Democrats and all Republicans who prefer steak as their favorite barbeque food.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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9.64 Is steak your favorite barbeque food? July is National Grilling Month in the United States. A Harris Poll re- ported on a survey of Americans' grilling preferences. When asked about their favorite food prepared on a bar- beque grill, 662 of 1,250 randomly sampled Democrats pre- ferred steak, as compared to 586 of 930 randomly sampled Republicans. a. Give a point estimate for the proportion of all Democrats who prefer steak as their favorite barbeque food. b. Give a point estimate for the proportion of all Republicans who prefer steak as their favorite barbe- que food. c. Give a point estimate for the difference between the proportions of all Democrats and all Republicans who prefer steak as their favorite barbeque food. d. Construct a 95% confidence interval for the differ- ence between the proportions of all Democrats and all Republicans who prefer steak as their favorite barbe- que food.
Transcribed Image Text:9.64 Is steak your favorite barbeque food? July is National Grilling Month in the United States. A Harris Poll re- ported on a survey of Americans' grilling preferences. When asked about their favorite food prepared on a bar- beque grill, 662 of 1,250 randomly sampled Democrats pre- ferred steak, as compared to 586 of 930 randomly sampled Republicans. a. Give a point estimate for the proportion of all Democrats who prefer steak as their favorite barbeque food. b. Give a point estimate for the proportion of all Republicans who prefer steak as their favorite barbe- que food. c. Give a point estimate for the difference between the proportions of all Democrats and all Republicans who prefer steak as their favorite barbeque food. d. Construct a 95% confidence interval for the differ- ence between the proportions of all Democrats and all Republicans who prefer steak as their favorite barbe- que food.
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