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A grocery store manager wants to know if displaying cranberries near the entrance to the store increases the proportion of shoppers who buy them. To determine this, the manager flips a coin each morning to decide whether to place the cranberries near the entrance that day or to locate them in the produce section. The manager takes a random sample of shoppers over several days and calculates p, = the proportion of shoppers who buy cranberries when they are near the store entrance, and p, = the proportion of shoppers who buy cranberries when they are in the produce șection. Which of the following is a correct set of hypotheses for the appropriate test of significance?

A grocery store manager wants to know if displaying cranberries near the entrance to the store increases the proportion of shoppers who buy them. To determine this, the manager flips a coin each morning to decide whether to place the cranberries near the entrance that day or to locate them in the produce section. The manager takes a random sample of shoppers over several days and calculates p, = the proportion of shoppers who buy cranberries when they are near the store entrance, and p, = the proportion of shoppers who buy cranberries when they are in the produce șection. Which of the following is a correct set of hypotheses for the appropriate test of significance?

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
Section10.5: Comparing Sets Of Data
Problem 26PFA
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A grocery store manager wants to know if displaying cranberries near the entrance to the store increases the proportion of shoppers who buy them. To determine this, the manager flips a coin each morning to decide whether to place the cranberries near the entrance that day or to locate them in the produce section. The manager takes a random sample of shoppers over several days and calculates p,= the proportion of shoppers who buy cranberries when they are near the store entrance, and p,= the proportion of shoppers %3D who buy cranberries when they are in the produce şection. Which of the following is a correct set of hypotheses for the appropriate test of significance? Because most of the interval is negative, there is convincing evidence that a greater proportion of Speedy Airlines flights are on time. Because the point estimate (-0.05) is negative, there is convincing evidence of a difference in the population proportions. O Because 0 is in the interval, there is convincing evidence of a difference in the population proportions. Because the point estimate (-0.05) is negative, there is not convincing evidence of a difference in the population proportions. Because 0 is in the interval, there is not convincing evidence of a difference in the population proportions. O o
Transcribed Image Text:A grocery store manager wants to know if displaying cranberries near the entrance to the store increases the proportion of shoppers who buy them. To determine this, the manager flips a coin each morning to decide whether to place the cranberries near the entrance that day or to locate them in the produce section. The manager takes a random sample of shoppers over several days and calculates p,= the proportion of shoppers who buy cranberries when they are near the store entrance, and p,= the proportion of shoppers %3D who buy cranberries when they are in the produce şection. Which of the following is a correct set of hypotheses for the appropriate test of significance? Because most of the interval is negative, there is convincing evidence that a greater proportion of Speedy Airlines flights are on time. Because the point estimate (-0.05) is negative, there is convincing evidence of a difference in the population proportions. O Because 0 is in the interval, there is convincing evidence of a difference in the population proportions. Because the point estimate (-0.05) is negative, there is not convincing evidence of a difference in the population proportions. Because 0 is in the interval, there is not convincing evidence of a difference in the population proportions. O o
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