Author Question: The probability is 0.2 that a person shopping at a certain store will spend less than 20. For groups ... (Read 53 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?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

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

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

For a complete list of videos, visit our video library