{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

410Hw13 - STAT 410 Homework#13(due Friday December 4 by...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
STAT 410 Homework #13 Fall 2009 (due Friday, December 4, by 3:00 p.m.) 1. 8.2.3 Hint: Do NOT look at the answer at the back of the textbook. 2. 5.5.4 3. Alex wants to test whether a coin is fair or not. Suppose he decides to use 25 tosses. Let p denote the probability of obtaining heads. H 0 : p = 0.50 vs. H 1 : p 0.50. a) Find the Rejection Rule with the significance level α closest to 0.05 . b) What is the actual value of the significance level α associated with the Rejection Rule obtained in part (a)? c) Suppose Alex got 9 heads and 16 tails. Find the p-value of the test. d) Suppose Alex got 20 heads and 5 tails. Find the p-value of the test. e) Suppose Alex got 20 heads and 5 tails. State your decision ( Reject H 0 or Do NOT Reject H 0 ) at a 5% level of significance. f) What is the power of this test ( using the Rejection Rule obtained in part (a) ) if p = 0.60 ?
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
4. A certain automobile manufacturer claims that at least 80% of its cars meet the tough new standards of the Environmental Protection Agency (EPA). The EPA tests a random
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern