- Resource Library
- Math
- Probability And Statistics
- Hypothesis Testing
- 8.5 Practice Hypothesis Testing Proportions
8.5 practice - hypothesis testing proportions
Flashcard
•
Mathematics
•
10th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What distribution is used for hypothesis testing about population proportions?
Back
z distribution.
2.
FLASHCARD QUESTION
Front
What is the null hypothesis (H0) when testing if the proportion of female physicians is greater than 27%?
Back
H0: p = 0.27
3.
FLASHCARD QUESTION
Front
What is the alternative hypothesis (Ha) when testing if the proportion of female physicians is greater than 27%?
Back
Ha: p > 0.27
4.
FLASHCARD QUESTION
Front
What is the formula for calculating the z-score in hypothesis testing for proportions?
Back
z = (p̂ - p0) / sqrt[(p0(1 - p0)) / n] where p̂ is the sample proportion, p0 is the population proportion, and n is the sample size.
5.
FLASHCARD QUESTION
Front
If 45 out of 120 physicians are women, what is the sample proportion (p̂)?
Back
p̂ = 45/120 = 0.375.
6.
FLASHCARD QUESTION
Front
What is the significance level (α) used in the provided examples?
Back
α = 0.01.
7.
FLASHCARD QUESTION
Front
What is the p-value in hypothesis testing?
Back
The p-value is the probability of obtaining a test statistic at least as extreme as the one observed, assuming the null hypothesis is true.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Microsoft
or continue with
%20(1).png)
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?
