If we were going to perform a hypothesis test for the population mean with Ho : µ> 1200 vs H : u< 1200 and significance level a = 0.05. what would be the maximum sample mean value at which Ho is rejected? (Your answer should be an integer number.) Answer:

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If we were going to perform a hypothesis test for the population mean with Ho : µ > 1200 vs H1 : u< 1200 and significance level a = 0.05, what would be the maximum sample mean value at
which Ho is rejected? (Your answer should be an integer number.)
Answer:
Transcribed Image Text:If we were going to perform a hypothesis test for the population mean with Ho : µ > 1200 vs H1 : u< 1200 and significance level a = 0.05, what would be the maximum sample mean value at which Ho is rejected? (Your answer should be an integer number.) Answer:
A manufacturer claims that the light bulbs that they produce have a mean lifetime of 1,200 hours and standard deviation of 400 hours. A random sample of size 50 is selected and the sample mean, , is
calculated.
Transcribed Image Text:A manufacturer claims that the light bulbs that they produce have a mean lifetime of 1,200 hours and standard deviation of 400 hours. A random sample of size 50 is selected and the sample mean, , is calculated.
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