[Solution Library] A researcher believes that the percentage of people who exercise in California is greater than the national exercise rate. The national
Question: A researcher believes that the percentage of people who exercise in California is greater than the national exercise rate. The national rate is \(20 \%\). The researcher gathers a random sample of 120 individuals who live in California and finds that the number who exercise regularly is 31 out of 120 .
- What is \(\chi_{obs}^{2}\) ?
- What is df for this test?
- What is \(\chi_{cv}^{2}\) ?
- What conclusion should be drawn from these
Deliverable: Word Document 
![[See Steps] A student is interested in](/images/solutions/MC-solution-library-74051.jpg "[See Steps] A student is interested in whether students who study")
[See Steps] A student is interested in whether students who study
(Step-by-Step) The researcher in exercise 2 decides to conduct the same
(Solution Library) Researchers at a food company are interested in
![[Solution Library] You notice in your introductory](/images/solutions/MC-solution-library-74054.jpg "[Solution Library] You notice in your introductory psychology class")
[Solution Library] You notice in your introductory psychology class
![[See Steps] Why is it important to](/images/solutions/MC-solution-library-74055.jpg "[See Steps] Why is it important to pay attention to assumptions")
[See Steps] Why is it important to pay attention to assumptions
Conditional Probability Calculator - MathCracker.com