A certain factory operates three different shifts. Over the last year, 200 accid

Question

A certain factory operates three different shifts. Over the last year, 200 accidents have occurred at the factory. Some of these can be attributed at least in part to unsafe working conditions, whereas the others are unrelated to working conditions. The accompanying table gives the percentage of accidents falling in each type of accident-shift category. Unsafe Conditions Unrelated to Conditions Day 13% 36% Shift Swing 6% 18% Night 5% 22% Suppose one of the 200 accident reports is randomly selected from a file of reports, and the shift and type of accident are determined.

(a) What are the simple events? (Let S1, S2, and S3 represent the day, swing, and night shifts, respectively. Let C1 and C2 represent the unsafe conditions and unrelated to conditions, respectively. Enter your answer in set notation.)

Explanation / Answer

a)

{s1c1, s1c2, s2c1, s2c1, s3c1, s3c2}

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