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 41 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?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

For a complete list of videos, visit our video library