Question 21 <> A random sample of n = 217 people who live in a city were selected and 111 identified as a "dog person." A random sample of n2 = 109 people who live in a rural area were selected and 65 identified as a "dog person." Find the 90 % 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
Question 21 <> A random sample of n = 217 people who live in a city were selected and 111 identified as a "dog person." A random sample of n2 = 109 people who live in a rural area were selected and 65 identified as a "dog person." Find the 90 % 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
MATLAB: An Introduction with Applications
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Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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![Question 21
A random sample of ny = 217 people who live in a city were selected and 111 identified as a "dog
person." A random sample of n2 = 109 people who live in a rural area were selected and 65 identified as a
"dog person." Find the 90% 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 <
Check Answer
P Search for anything](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdef9b674-29a3-4a13-af9f-fa6112191c77%2F9410f168-54b7-45a8-bd8d-63c039fede29%2F24uoz4s_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 21
A random sample of ny = 217 people who live in a city were selected and 111 identified as a "dog
person." A random sample of n2 = 109 people who live in a rural area were selected and 65 identified as a
"dog person." Find the 90% 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 <
Check Answer
P Search for anything
![Based on past experience, a bank believes that 9 % of the people who receive loans will not make payments
on time. The bank has recently approved 200 loans.
a) What are the mean and standard deviation of this model?
[Round your answers to two decimal places.]
mean =
standard deviation =
b) What is the probability that over 10% of these clients will not make timely payments?
[Round your answer to two decimal places.]
Check Answer
Search for anything](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdef9b674-29a3-4a13-af9f-fa6112191c77%2F9410f168-54b7-45a8-bd8d-63c039fede29%2Fry3pou6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Based on past experience, a bank believes that 9 % of the people who receive loans will not make payments
on time. The bank has recently approved 200 loans.
a) What are the mean and standard deviation of this model?
[Round your answers to two decimal places.]
mean =
standard deviation =
b) What is the probability that over 10% of these clients will not make timely payments?
[Round your answer to two decimal places.]
Check Answer
Search for anything
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