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In a poll of 1500 adults in July​ 2010, 780 of those polled said that schools should ban sugary snacks and soft drinks. Complete parts a and b below. 1. Find the value of the test statistic z. z = _____ ​ (Round to two decimal places as​ needed.) 2. Find the value of the corresponding​ p-value for this test statistic z. p-value = _____ (Round to three decimal places

In a poll of 1500 adults in July​ 2010, 780 of those polled said that schools should ban sugary snacks and soft drinks. Complete parts a and b below. 1. Find the value of the test statistic z. z = _____ ​ (Round to two decimal places as​ needed.) 2. Find the value of the corresponding​ p-value for this test statistic z. p-value = _____ (Round to three decimal places

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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In a poll of 1500 adults in July​ 2010, 780 of those polled said that schools should ban sugary snacks and soft drinks. Complete parts a and b below.

1. Find the value of the test statistic z.

z = _____ ​ (Round to two decimal places as​ needed.)

2. Find the value of the corresponding​ p-value for this test statistic z.

p-value = _____ (Round to three decimal places as​ needed.)

3. Do you reject or not reject the null​ hypothesis?

4. 

b. Choose the best interpretation of the results you obtained in part a.

In a poll of 1500 adults in July 2010, 780 of those polled said that schools should ban sugary snacks and soft drinks. Complete parts a and b below. 'a- P+u.u Find the value of the test statistic z. E(Round to two decimal places as needed.) z= Find the value of the corresponding p-value for this test statistic z. p-value = (Round to three decimal places as needed.) Do you reject or not reject the null hypothesis? Do not reject Ho- O Reject Ho- b. Choose the best interpretation of the results you obtained in part a. O A. The percentage of all adults who favor banning is not significantly more than 50%. O B. The percentage of all adults who favor banning is significantly more than 50%.
Transcribed Image Text:In a poll of 1500 adults in July 2010, 780 of those polled said that schools should ban sugary snacks and soft drinks. Complete parts a and b below. 'a- P+u.u Find the value of the test statistic z. E(Round to two decimal places as needed.) z= Find the value of the corresponding p-value for this test statistic z. p-value = (Round to three decimal places as needed.) Do you reject or not reject the null hypothesis? Do not reject Ho- O Reject Ho- b. Choose the best interpretation of the results you obtained in part a. O A. The percentage of all adults who favor banning is not significantly more than 50%. O B. The percentage of all adults who favor banning is significantly more than 50%.
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