Postulate an appropriate probability model for the


The table below shows the time in months between occurrences of safety violations for three operators, "A," "B," and "C," working in a toll manufacturing facility.

A

1.31

0.15

3.02

3.17

4.84

0.71

0.70

1.41

2.68

0.68

B

1.94

3.21

2.91

1.66

1.51

0.30

0.05

1.62

6.75

1.29

C

0.79

1.22

0.65

3.90

0.18

0.57

7.26

0.43

0.96

3.76

Postulate an appropriate probability model for the phenomenon in question, treat the data set as three random samples of size = 10 each, from the three different populations represented by each operator. Obtain precise 95% con?dence interval estimates of the unknown population parameters. Interpret your results in terms of any differences that might exist between the safety performances of the three operators.

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Finance Basics: Postulate an appropriate probability model for the
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