Author Question: A drug company claims that over 90 of all physicians recommend their drug. 400 physicians were asked ... (Read 162 times)

Anajune7

  • Hero Member
  • *****
  • Posts: 574
A drug company claims that over 90 of all physicians recommend their drug. 400 physicians were asked if they recommend the drug to their patients. 56 said yes. H0: p = 0.9.
 
  A) -29.467 B) -45.334 C) -20.400 D) -22.667

Question 2

Which of the following statements concerning the standard normal curve is/are true (if any)?
 
  a. The area under the standard normal curve to the left of -3 is zero.
  b. The area under the standard normal curve between any two z-scores is greater than zero.
  c. The area under the standard normal curve between two z-scores will be negative if both z-scores are negative.
  d. The area under the standard normal curve to the left of any z-score is less than 1.
  A) a, c B) b, d C) a, b D) a



komodo7

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

For a complete list of videos, visit our video library