Out of a sample of 459 randomly selected light bulbs tested in a laboratory, 291 lasted more than 50
Question: Out of a sample of 459 randomly selected light bulbs tested in a laboratory, 291 lasted more than 500 hours.
a. Find a 90% confidence interval for the true population proportion of light bulbs that will last more than 500 hours. (5 points)
b. Find a 95% confidence interval for the true population proportion of light bulbs that will last more than 500 hours. (5 points)
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Solution: The solution consists of 2 pages
Deliverables: Word Document
Deliverables: Word Document
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