Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Christineklee87

  • 2 years ago

Normal distribution with a mean of 2 hours and a standard deviation of 0.8. For a simple random sample of 100 what is the sampling distribution of the sample mean?

  • This Question is Open
  1. twitter
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    LOL. The last question to recieve any answer was 28 days ago. This forum sucks!

  2. BeingSouthern1
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    For the case where the sample is the mean and samples are uncorrelated (as we assume is the case for your question), the standard deviation of the sample (aka, standard error) is the standard deviation of the population divided by the square root of the sample size. \[0.8/\sqrt(n) = 0.8 / 10\]

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

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

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.