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Solve the Problem. -464 Randomly Selected Light Bulbs Were Tested in a Laboratory

Question 48

Multiple Choice

Solve the problem.
-464 randomly selected light bulbs were tested in a laboratory, 424 lasted more than 500 hours. Find a point estimate of the true proportion of all light bulbs that last more than 500 hours.


A) 0.914
B) 0.912
C) 0.477
D) 0.086

Correct Answer:

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