The table lists the smoking habits of a group of college students. Sex Non-smoker Regular Smoker Heavy Smoker Total Male 176 47 31 254 Female 196 31 19 246 Total 372 78 50 500 If a student is chosen at random, find 1- The probability of getting a male. 2- The probability of getting a female given that she was a regular smoker. 3- The probability of getting someone who is a male or a non-smoker.

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The table lists the smoking habits of a group of college students.

 

Sex Non-smoker Regular Smoker Heavy Smoker Total
Male 176 47 31 254
Female 196 31 19 246
Total 372 78 50 500

 

If a student is chosen at random, find

 

  • The probability of getting a male.
  • The probability of getting a female given that she was a regular smoker.
  • The probability of getting someone who is a male or a non-smoker.

 

 

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