The GRE is a test required for admission to many U.S. graduate schools. Students' scores on the quantitative portion of the GRE follow a normal distribution with a min of 150 and a standard deviation of 8.8. An admissions officer at a large graduate school believes the mean is less than 150. What kind of test is this? Two-tailed Left-tailed Right-tailed

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The GRE is a test required for admission to many U.S. graduate schools. Students'
scores on the quantitative portion of the GRE follow a normal distribution with a min
of 150 and a standard deviation of 8.8. An admissions officer at a large graduate
school believes the mean is less than 150.
What kind of test is this?
Two-tailed
Left-tailed
Right-tailed
Transcribed Image Text:The GRE is a test required for admission to many U.S. graduate schools. Students' scores on the quantitative portion of the GRE follow a normal distribution with a min of 150 and a standard deviation of 8.8. An admissions officer at a large graduate school believes the mean is less than 150. What kind of test is this? Two-tailed Left-tailed Right-tailed
Many health care workers believe the mean body temperature of healthy adults in
98.6 degrees Fahrenheit. Phillip A. Mackowiak, a doctor at the University of
Maryland Center for Vaccine Development, suspects this number might be
incorrecct.
What kind of test is this?
Two-Tailed
Left-tailed
Right-tailed
Transcribed Image Text:Many health care workers believe the mean body temperature of healthy adults in 98.6 degrees Fahrenheit. Phillip A. Mackowiak, a doctor at the University of Maryland Center for Vaccine Development, suspects this number might be incorrecct. What kind of test is this? Two-Tailed Left-tailed Right-tailed
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