Author Question: A drug company claims that over 90 of all physicians recommend their drug. 400 physicians were asked ... (Read 158 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?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

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

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

For a complete list of videos, visit our video library