A statistics instructor believes that fewer than 20% of students at a local college attended the premiere midnight showing of the latest Harry Potter movie. She surveys 84 of her students and finds that 11 attended the midnight showing. An appropriate alternative hypothesis is
Added by David J.
Step 1
The alternative hypothesis, which is what the statistics instructor believes, is that fewer Show more…
Show all steps
Close
Your feedback will help us improve your experience
Shaiju T and 96 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
A statistics instructor believes that more than 10% of students attended the opening midnight showing of the latest star wars movie. She surveys 84 of her students and finds that 12 of them attended the midnight showing. Test her claim using a=0.05 and the p-value method. State hypotheses, test statistic, and make the decision. (Please type out the answer).
Nicholas H.
A statistics instructor believes that more than 20% of Evergreen Valley College (EVC) students attended the opening midnight showing of the latest Harry Potter movie. She surveys 84 of her students and finds that 11 attended the midnight showing. The Type I error is to conclude that the percent of EVC students who attended is ________. at least 20%, when in fact it is less than 20% less than 20%, when in fact it is less than 20% 20%, when in fact it is 20% more than 20%, when in fact it is at most 20%
Suman K.
A statistics instructor believes that fewer than 20% of Evergreen Valley College (EVC) students attended the opening night midnight showing of the latest Harry Potter movie. She surveys 84 of her students and finds that 11 attended the midnight showing. An appropriate alternative hypothesis is: a. $p=0.20$ b. $p > 0.20$ c. $p < 0.20$ d. $p \leq 0.20$
Hypothesis Testing with One Sample
Null and Alternative Hypotheses
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