AnswersEHS Content Recovery - Probability and Statistics - Part DCumulative Exam — Cumulative examQuestion 15
15
QuizMultiple Choice
Cumulative Exam — Cumulative exam
Question 15 • EHS Content Recovery - Probability and Statistics - Part D
After a hailstorm, a large car dealership wants to determine the proportion of cars that have damage. The service department randomly selects 50 cars on the dealership lot, examines them, and determines that 18 have damage. Assuming all conditions have been met, they construct a 99% confidence interval for the true proportion of cars with damage from the storm. What are the calculations for this interval?
Answer
A
0.36 plus-or-minus 2.58 StartRoot StartFraction 0.36 (1 minus 0.36) Over 50 EndFraction EndRoot
B
0.64 plus-or-minus 2.33 StartRoot StartFraction 0.64 (1 minus 0.64) Over 50 EndFraction EndRoot
C
0.36 plus-or-minus 2.33 StartRoot StartFraction 0.36 (1 minus 0.36) Over 50 EndFraction EndRoot
D
0.64 plus-or-minus 2.58 StartRoot StartFraction 0.64 (1 minus 0.64) Over 50 EndFraction EndRoot