This topic contains a solution. Click here to go to the answer

Author Question: A study of consumer smoking habits includes 161 people in the 18-22 age bracket (40 of whom smoke), ... (Read 76 times)

madam-professor

  • Hero Member
  • *****
  • Posts: 584
A study of consumer smoking habits includes 161 people in the 18-22 age bracket (40 of whom smoke), 138 people in the 23-30 age bracket (32 of whom smoke),
 
  and 96 people in the 31-40 age bracket (28 of whom smoke). If one person is randomly selected from this sample, find the probability of getting someone who is age 23-30 or smokes.
  A) 0.232 B) 0.603 C) 0.522 D) 0.081

Question 2

Of the 99 people who answered yes to a question, 11 were male. Of the 96 people that answered no to the question, 9 were male.
 
  If one person is selected at random from the group, what is the probability that the person answered yes or was male?
  A) 0.61 B) 0.554 C) 0.111 D) 0.103



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ahernandez18

  • Sr. Member
  • ****
  • Posts: 361
Answer to Question 1

C

Answer to Question 2

B





 

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

For a complete list of videos, visit our video library