Author Question: The mean is = 137.0 and the standard deviation is = 5.3. Find the probability that X is between ... (Read 43 times)

burchfield96

  • Hero Member
  • *****
  • Posts: 610
The mean is  = 137.0 and the standard deviation is  = 5.3.
  Find the probability that X is between 134.4 and 140.1.
 
  A) 0.6242 B) 0.4069 C) 0.8138 D) 1.0311

Question 2

The mean is  = 22.0 and the standard deviation is  = 2.4.
  Find the probability that X is between 19.7 and 25.3.
 
  A) 1.0847 B) 0.7477 C) 0.3370 D) 0.4107



zogaridan

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

For a complete list of videos, visit our video library