6. A university wants to promote the graduates of its honors program. At present it is stated that the GPA of the graduates is 3.5 or below. The university wants to prove at a 90% confidence that the mean GPA of these graduates is greater than 3.5. A sample of 25 university honors program students is taken and is found to have a mean GPA equal to 3.6. The sample standard deviation is 0.40. H₂: H₂: _crit = _stat = Decision: tail α = pvalue =

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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6. A university wants to promote the graduates of its honors program. At present it is
stated that the GPA of the graduates is 3.5 or below. The university wants to prove at
a 90% confidence that the mean GPA of these graduates is greater than 3.5. A sample
of 25 university honors program students is taken and is found to have a mean GPA
equal to 3.6. The sample standard deviation is 0.40.
H₂:
H₂:
_crit =
_stat =
Decision:
tail
α =
pvalue=
Transcribed Image Text:6. A university wants to promote the graduates of its honors program. At present it is stated that the GPA of the graduates is 3.5 or below. The university wants to prove at a 90% confidence that the mean GPA of these graduates is greater than 3.5. A sample of 25 university honors program students is taken and is found to have a mean GPA equal to 3.6. The sample standard deviation is 0.40. H₂: H₂: _crit = _stat = Decision: tail α = pvalue=
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ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,