Probability Exam Worksheet With Answer Key - Math 211, Eastern Mediterranean University Page 27
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34MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
177) The table lists the smoking habits of a group of college students.
177)
Sex
Non-smoker Regular Smoker Heavy Smoker Total
Man
135
51
5
191
Woman
187
21
12
220
Total
322
72
17
411
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) 0.708
B) 0.256
C) 0.217
D) 0.153
178) The table lists the smoking habits of a group of college students.
178)
Sex
Non-smoker Regular Smoker Heavy Smoker Total
Man
135
70
5
210
Woman
187
21
15
223
Total
322
91
20
433
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) 0.950
B) 0.917
C) 0.790
D) 0.942
179) The table lists the smoking habits of a group of college students.
179)
Sex
Non-smoker Regular Smoker Heavy Smoker Total
Man
135
52
5
192
Woman
187
21
5
213
Total
322
73
10
405
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) 0.936
B) 0.205
C) 1
D) 0.795
180) The distribution of Masterʹs degrees conferred by a university is listed in the table.
180)
Assume that a student majors in only one subject.
Major
Frequency
Mathematics
229
English
203
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) 0.222
B) 0.528
C) 0.472
D) 0.250
27
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