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You may find the following files helpful throughout the exam:
Statistics Equation Sheet
Standard Normal Table
A factory has six safety systems. During an emergency, the probability of any one of the safety systems failing is .05. What is the probability that five or more safety systems will fail during an emergency?
Your Answer:
For exactly 5 failures let
n=6
x=5
p-0.05
61 546-511
0.05
0.05
6
. 0.05 (
55)
- 1,78-10
For exactly 6 failures let
n=6
x=6
p=0.05
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