A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

Assume that the significance level is a = 0.01. Use the given information to find the P-value and the critical value(s). The test statistic of z = 1.40 is obtained when testing the claim that p > 0.2. Find the P value =

  • This Question is Closed
  1. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    what are we testing this against?

  2. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    wait, i might have read over some stuff too quickly

  3. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    are we to assume a normal distribution?

  4. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    |dw:1432923111508:dw|

  5. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    |dw:1432923177759:dw|

  6. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    using your ti83 normalcdf(1.4, 9999, 0, 1) for the p-value low high 1-invnorm(.01) for the critical value

  7. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    P value I got .08075

  8. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    http://www.wolframalpha.com/input/?i=P%28z%3E1.4%29 .0807 is valid to me

  9. amistre64
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 2

    and our invnorm function?

  10. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.