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 77 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?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

For a complete list of videos, visit our video library