Question 6.383

38. Facebook Friends. Refer to Exercise 34.

  1. A Facebook newbie has a number of friends equal to the 5th percentile. Find the 5th percentile of Facebook friends.
  2. An online socialite has the 95th percentile of friends. Compute the 95th percentile.
  3. Calculate the two symmetric numbers of friends and that contain the central 90% of -values between them. Is there a shortcut you can take?
  4. Calculate the two symmetric numbers of friends and that contain the central 95% of -values between them.
  5. image What if we calculate the two symmetric numbers of friends that contain an unknown value greater than 95% between them? Will the values and be closer together or farther apart than the 95% case? Explain.