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Math 221 Week 5 Quiz (Questions and answers) Download to score an A+
- Exam (elaborations) • 13 pages • 2021
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Question 1 
2 / 2 pts 
(CO 4) Consider the following table: 
Age Group Frequency 
18-29 983 
30-39 784 
40-49 686 
50-59 632 
60-69 541 
70 and over 527 
If you created the probability distribution for these data, what would be the probability of 40-49? 
 0.237 
 0.425 
 0.189 
Correct! 
 0.165 
Question 2 
2 / 2 pts 
(CO 4) Consider the following table of hours worked by part-time employees. These employees must 
work in 5 hour blocks. 
Weekly hours worked Probability 
5 0.06 
15 0.61 
20 0.18 ...
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