MATH 533
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MATH 533 Week 8 Final Exam Set 3 A GRADED
- Exam (elaborations) • 17 pages • 2022
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Answer The length of time to do a cable installation by 
Multi-Cable Inc. is normally distributed with a mean of 42.8 
minutes & a standard deviation of 6.2 minutes. What 
percentage of installations take less than 30 minutes? 
x = The length of time to do a cable installation 
 = 42.8 
 = 6.20 
z = 
x - 
 
P(x < 30) 
= P(z < -2.06) 
= 0.5 - 0.4803 
= 0.0197 or 1.97% 
Answer Accident claims are checked for completeness by 
branch offices of Fortune Insurance before they are se...
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