3. In a survey conducted recently by CNN in an attempt to find the proportion of adults that have an active account with Facebook. Among 230 females, 72% of them had an active account, while among 195 males, 60% had an active account. a. Complete the table below. Females Males X1 = X2 = n1 = n2 = b. Use the data table from above to answer the following parts: i. Find the pooled proportion P ii. Find a 95% confidence interval for the difference to the two population proportions P- P2 using the table from above

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 24PPS
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3. In a survey conducted recently by CNN in an attempt to find the proportion of adults that have an
active account with Facebook. Among 230 females, 72% of them had an active account, while
among 195 males, 60% had an active account.
a. Complete the table below.
Females
Males
X1 =
X2 =
n1 =
n2 =
b. Use the data table from above to answer the following parts:
i. Find the pooled proportion P
ii. Find a 95% confidence interval for the difference to the two population proportions
P1 – P2 using the table from above
Transcribed Image Text:3. In a survey conducted recently by CNN in an attempt to find the proportion of adults that have an active account with Facebook. Among 230 females, 72% of them had an active account, while among 195 males, 60% had an active account. a. Complete the table below. Females Males X1 = X2 = n1 = n2 = b. Use the data table from above to answer the following parts: i. Find the pooled proportion P ii. Find a 95% confidence interval for the difference to the two population proportions P1 – P2 using the table from above
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