Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing


  • 4 years ago

Furnace repair bills are normally distributed with a mean of 270 dollars and a standard deviation of 20 dollars. If 64 of these repair bills are randomly selected, find the probability that they have a mean cost between 270 dollars and 272 dollars. How do I go about solving this? The answer is 0.288.

  • This Question is Closed

    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