You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly less than 0.45. With H1 : p < 0.45 you obtain a test statistic of z = -2.128. Use a normal distribution calculator and the test statistic to find the P-value accurate to 4 decimal places. It may be left-tailed, right-tailed, or 2-tailed. P-value =
Added by Natalia S.
Close
Step 1
128 Since it is a left-tailed test, we need to find the area to the left of the z value in the standard normal distribution. ** Show more…
Show all steps
Your feedback will help us improve your experience
Madhur L and 81 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly less than 0.37. Thus you are performing a left-tailed test. Your sample data produce the test statistic z = -2.33. Find the p-value accurate to 4 decimal places. p-value =
Jacob F.
You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly less than 0.39. Your sample data produce the test statistic z = − 1.812. Find the p-value accurate to 4 decimal places.
Madhur L.
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD