Solve the problem. 5) State University uses thousands of fluorescent light bulbs each year. The brand of bulb it current

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Solve The Problem 5 State University Uses Thousands Of Fluorescent Light Bulbs Each Year The Brand Of Bulb It Current 1 (26.98 KiB) Viewed 51 times

Solve the problem. 5) State University uses thousands of fluorescent light bulbs each year. The brand of bulb it currently uses has a mean life of 780 hours. A competitor claims that its bulbs, which cost the same as the brand the university currently uses, have a mean life of more than 780 hours. The university has decided to purchase the new brand if, when tested, the evidence supports the manufacturer's claim at the 10 significance level. Suppose 71 bulbs were tested with the following results: x=808 hours, s = 99 hours. Find the rejection region for the test of interest to the State University. a