Unsafe Unrelated Conditions to Conditions Day Swing Night 10% 35% Shift 8% 20% 5% 22%

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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.

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?
b. What is the probability that the selected accident was
attributed to unsafe conditions?
c. What is the probability that the selected accident did
not occur on the day shift?

Unsafe
Unrelated
Conditions
to Conditions
Day
Swing
Night
10%
35%
Shift
8%
20%
5%
22%
Transcribed Image Text:Unsafe Unrelated Conditions to Conditions Day Swing Night 10% 35% Shift 8% 20% 5% 22%
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