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Author Question: A study of consumer smoking habits includes 161 people in the 18-22 age bracket (40 of whom smoke), ... (Read 73 times)

madam-professor

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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



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Ahernandez18

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Answer to Question 1

C

Answer to Question 2

B





 

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