You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats. You sample 130 men, and 85% own cats. You sample 150 women, and 10% own cats. Find p (p-bar), as a decimal, rounded to two decimal places.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Please answer both please
You are testing the claim that the proportion of men who
own cats is smaller than the proportion of women who own
cats.
You sample 130 men, and 85% own cats.
You sample 150 women, and 10% own cats.
Find p (p-bar), as a decimal, rounded to two decimal places.
Transcribed Image Text:You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats. You sample 130 men, and 85% own cats. You sample 150 women, and 10% own cats. Find p (p-bar), as a decimal, rounded to two decimal places.
A random sample of n₁ = 229 people who live in a city were
selected and 70 identified as a "dog person." A random
sample of n₂ = 93 people who live in a rural area were
selected and 53 identified as a "dog person." Find the 95%
confidence interval for the difference in the proportion of
people that live in a city who identify as a "dog person" and
the proportion of people that live in a rural area who identify
as a "dog person."
Round answers to to 4 decimal places.
< P1 - P2
Transcribed Image Text:A random sample of n₁ = 229 people who live in a city were selected and 70 identified as a "dog person." A random sample of n₂ = 93 people who live in a rural area were selected and 53 identified as a "dog person." Find the 95% confidence interval for the difference in the proportion of people that live in a city who identify as a "dog person" and the proportion of people that live in a rural area who identify as a "dog person." Round answers to to 4 decimal places. < P1 - P2
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