An Internet provider is trying to gain advertising deals and claims that the mean time the competitors' customers spend online per day is less than 33 minutes. You are asked to test this claim. (a) How would you write the null and alternative hypotheses if you represent the Internet provider and want to support the claim? (b) How would you write the null and alternative hypotheses if you represent a competing advertiser and want to reject the claim? (a) H0: ▼ pp muμ sigmaσ sigma squaredσ2 ▼ less than< greater than> less than or equals≤ greater than or equals≥ not equals≠ 33 Ha: ▼ sigma squaredσ2 muμ pp sigmaσ ▼ less than or equals≤ not equals≠ greater than> greater than or equals≥ less than< 33 (b) H0: ▼ muμ sigma squaredσ2 pp sigmaσ ▼ less than< greater than or equals≥ not equals≠ greater than> less than or equals≤ 33 Ha: ▼ muμ sigma squaredσ2 sigmaσ pp ▼ not equals≠ greater than or equals≥ greater than> less than or equals≤ less than<
An Internet provider is trying to gain advertising deals and claims that the mean time the competitors' customers spend online per day is less than 33 minutes. You are asked to test this claim. (a) How would you write the null and alternative hypotheses if you represent the Internet provider and want to support the claim? (b) How would you write the null and alternative hypotheses if you represent a competing advertiser and want to reject the claim? (a) H0: ▼ pp muμ sigmaσ sigma squaredσ2 ▼ less than< greater than> less than or equals≤ greater than or equals≥ not equals≠ 33 Ha: ▼ sigma squaredσ2 muμ pp sigmaσ ▼ less than or equals≤ not equals≠ greater than> greater than or equals≥ less than< 33 (b) H0: ▼ muμ sigma squaredσ2 pp sigmaσ ▼ less than< greater than or equals≥ not equals≠ greater than> less than or equals≤ 33 Ha: ▼ muμ sigma squaredσ2 sigmaσ pp ▼ not equals≠ greater than or equals≥ greater than> less than or equals≤ less than<
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.
Chapter12: Probability
Section12.3: Conditional Probability; Independent Events; Bayes' Theorem
Problem 26E
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Question
An Internet provider is trying to gain advertising deals and claims that the mean time
the
competitors' customers
spend
online per day is
less
than
33
minutes. You are asked to test this claim.(a) How would you write the null and alternative hypotheses if you represent the Internet provider and want to support the claim?
(b) How would you write the null and alternative hypotheses if you represent a competing advertiser and want to reject the claim?
(a)
|
H0:
▼
pp
muμ
sigmaσ
sigma squaredσ2
▼
less than<
greater than>
less than or equals≤
greater than or equals≥
not equals≠
|
|
Ha:
▼
sigma squaredσ2
muμ
pp
sigmaσ
▼
less than or equals≤
not equals≠
greater than>
greater than or equals≥
less than<
|
(b)
|
H0:
▼
muμ
sigma squaredσ2
pp
sigmaσ
▼
less than<
greater than or equals≥
not equals≠
greater than>
less than or equals≤
|
|
Ha:
▼
muμ
sigma squaredσ2
sigmaσ
pp
▼
not equals≠
greater than or equals≥
greater than>
less than or equals≤
less than<
|
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