Probability Exam Worksheet With Answer Key - Math 211, Eastern Mediterranean University Page 25
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34MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
166) The table lists the smoking habits of a group of college students.
166)
Sex
Non-smoker Regular Smoker Heavy Smoker Total
Man
135
59
5
199
Woman
187
21
8
216
Total
322
80
13
415
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.
A) 0.161
B) 0.224
C) 0.267
D) 0.720
167) The table lists the smoking habits of a group of college students.
167)
Sex
Non-smoker Regular Smoker Heavy Smoker Total
Man
135
34
5
174
Woman
187
21
10
218
Total
322
55
15
392
If a student is chosen at random, find the probability of getting someone who is a man or a
non-smoker. Round your answer to three decimal places.
A) 0.945
B) 0.941
C) 0.921
D) 0.860
168) The table lists the smoking habits of a group of college students.
168)
Sex
Non-smoker Regular Smoker Heavy Smoker Total
Man
135
31
5
171
Woman
187
21
13
221
Total
322
52
18
392
If a student is chosen at random, find the probability of getting someone who is a man or a
woman. Round your answer to three decimal places.
A) 1
B) 0.821
C) 0.913
D) 0.179
169) The distribution of Masterʹs degrees conferred by a university is listed in the table.
169)
Assume that a student majors in only one subject.
Major
Frequency
Mathematics
224
English
202
Engineering
86
Business
176
Education
222
What is the probability that a randomly selected student with a Masterʹs degree majored in English
or Mathematics? Round your answer to three decimal places.
A) 0.246
B) 0.222
C) 0.468
D) 0.532
25
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