rundraising campaighs raise mone these campaighs allowWed people donate by sending a text message using a cell phone the donated amount added their cell-phone bill. The report "Early Signals on Mobile Philanthropy: Is Haiti the Tipping Point?" describes the results of a national survey of 1,526 people that investigated the ways in which people made donations to the Haiti relief effort. The report states that 17% of Gen Y respondents (those born between 1980 and 1988) and 14% of Gen X respondents (those born between 1968 and 1979) said that they had made a donation to the Haiti relief effort via text message. The percentage making a donation via text message was much lower for older respondents. The report did not say how many respondents were in the Gen Y and Gen X samples, but for purposes of this exercise, suppose that both sample sizes were 400 and that it is reasonable to regard the samples as representative of the Gen Y and Gen x populations. A USE SALT (a) Is there convincing evidence that the proportion of those in Gen Y who donated to Haiti relief via text message is greater than the proportion for Gen X? Use a = 0.01. (Use py - Px-) Find the test statistic. (Round your answer to two decimal places.) Find the P-value. (Round your answer to four decimal places.) P-value= State your conclusion. O Reject Ha. We have convincing evidence that the proportion of those in Gen Y who donated to Haiti relief via text message is greater than the proportion of those in Gen X. O Fail to reject Hg. We have convincing evidence that the proportion of those in Gen Y who donated to Haiti relief via text message is greater than the proportion of those in Gen X. O Reject Hg. We don't have convincing evidence that the proportion of those in Gen Y who donated to Haiti relief via text message is greater than the proportion of those in Gen X. O Fail to reject Hg. We don't have convincing evidence that the proportion of those in Gen Y who donated Haiti relief via text message is greater than the proportion of those in Gen X.
rundraising campaighs raise mone these campaighs allowWed people donate by sending a text message using a cell phone the donated amount added their cell-phone bill. The report "Early Signals on Mobile Philanthropy: Is Haiti the Tipping Point?" describes the results of a national survey of 1,526 people that investigated the ways in which people made donations to the Haiti relief effort. The report states that 17% of Gen Y respondents (those born between 1980 and 1988) and 14% of Gen X respondents (those born between 1968 and 1979) said that they had made a donation to the Haiti relief effort via text message. The percentage making a donation via text message was much lower for older respondents. The report did not say how many respondents were in the Gen Y and Gen X samples, but for purposes of this exercise, suppose that both sample sizes were 400 and that it is reasonable to regard the samples as representative of the Gen Y and Gen x populations. A USE SALT (a) Is there convincing evidence that the proportion of those in Gen Y who donated to Haiti relief via text message is greater than the proportion for Gen X? Use a = 0.01. (Use py - Px-) Find the test statistic. (Round your answer to two decimal places.) Find the P-value. (Round your answer to four decimal places.) P-value= State your conclusion. O Reject Ha. We have convincing evidence that the proportion of those in Gen Y who donated to Haiti relief via text message is greater than the proportion of those in Gen X. O Fail to reject Hg. We have convincing evidence that the proportion of those in Gen Y who donated to Haiti relief via text message is greater than the proportion of those in Gen X. O Reject Hg. We don't have convincing evidence that the proportion of those in Gen Y who donated to Haiti relief via text message is greater than the proportion of those in Gen X. O Fail to reject Hg. We don't have convincing evidence that the proportion of those in Gen Y who donated Haiti relief via text message is greater than the proportion of those in Gen X.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 25PPS
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