Author Question: The probability is 0.2 that a person shopping at a certain store will spend less than 20. For groups ... (Read 75 times)

robinn137

  • Hero Member
  • *****
  • Posts: 544
The probability is 0.2 that a person shopping at a certain store will spend less than 20. For groups of size 22, find the mean number who spend less than 20.
 
  A) 4 B) 4.4 C) 16 D) 17.6

Question 2

Approximately what percentage of the people aged 25-40 had a systolic blood pressure reading less than 120?
 
  A) 50 B) 35 C) 5 D) 3.5



bhavsar

  • Sr. Member
  • ****
  • Posts: 351
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

For a complete list of videos, visit our video library