Author Question: True or false, the standard deviation of a normally distributed variable can be any real number. ... (Read 26 times)

HudsonKB16

  • Hero Member
  • *****
  • Posts: 535
True or false, the standard deviation of a normally distributed variable can be any real number.
 
  A) True B) False

Question 2

A survey of randomly chosen adults found that 28 of the 63 women and 31 of the 67 men follow regular exercise programs. Construct a 95 confidence interval for the difference in the proportions of women and men who have regular exercise programs.
 
  A) -0.218 to 0.646 B) 0.246 to 0.646 C) 0.277 to 0.615 D) -0.186 to 0.151



moormoney

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

B

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

For a complete list of videos, visit our video library