This topic contains a solution. Click here to go to the answer

Author Question: For a particular age group of adult females, the distribution of cholesterol readings, in mg/dl, is ... (Read 79 times)

stevenposner

  • Hero Member
  • *****
  • Posts: 608
For a particular age group of adult females, the distribution of cholesterol readings, in mg/dl, is normally distributed with a mean of 180 and a standard deviation of 12. What percentage would have readings less than 156?

Question 2

For a particular age group of adult females, the distribution of cholesterol readings, in mg/dl, is normally distributed with a mean of 180 and a standard deviation of 12. What percentage of this population would have readings exceeding 210?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ladyjames123

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

P(x < 156) = P(z < -2) = 0.5000  0.4772 = 0.0228 or 2.28

Answer to Question 2

P(x > 210) = P(z > 2.5) = 0.5000  0.4938 = 0.0062, or 0.62





 

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

For a complete list of videos, visit our video library