Reference no: EM132409048
1. The table lists the smoking habits of a group of college students.
Gender Non smoker Regular smoker Heavy smoker total
Male 135 55 5 195
Female 187 21 5 213
total 322 76 10 408
a) If a student is chosen at random, find the probability of getting someone who is a non-smoker. Round your answer to three decimal places.
322/408= 0.789215686 0.789
b) If a student is chosen at random, find the probability of getting someone who is a regular or heavy smoker. Round your answer to three decimal places.
0.18627451+ 0.0245098 = 0.210784314= 0.211
c) If a student is chosen at random, find the probability of getting someone who is a female or a non-smoker. Round your answer to three decimal places.
0.522058824 +0.789215686-0.45833333 =0.852941176= 0.853
If a student is chosen at random, find the probability of getting someone who is a male or female. Round your answer to three decimal places.