MATH 221 Week 5 Quiz (v1) Question: (CO 3) Consider the following table. If you … the probability distribution for these data, what would … the probability of 60-69? Question: (CO 3) Consider th e following table of hours worked by part-time employees. These employees must work in 5-hour blocks...
question co 3 consider the following table if you … the probability distribution for these data
what would … the probability of 60 69
question c
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MATH 221 Week 5 Quiz (v1)
(CO 3) 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 60-69?
0.130
0.157
0.127
0.165
(CO 3) 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
25 0.15
Find the mean of this variable.
12.20
17.50
16.80
18.95
(CO 3) Consider the following table:
Defects in batchProbability
0 0.04
1 0.11
2 0.25
3 0.20
4 0.19
5 0.21
Find the variance of this variable.
1.44
2.08
1.41
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