An Internet provider is trying to gain advertising deals and claims that the mean timethecompetitors' customersspendonline per day islessthan33minutes. 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:▼ ppmuμsigmaσsigma squaredσ2▼ less than<greater than>less than or equals≤greater than or equals≥not equals≠33 Ha:▼ sigma squaredσ2muμppsigmaσ▼ less than or equals≤not equals≠greater than>greater than or equals≥less than<33(b)H0:▼ muμsigma squaredσ2ppsigmaσ▼ less than<greater than or equals≥not equals≠greater than>less than or equals≤33 Ha:▼ muμsigma squaredσ2sigmaσpp▼ not equals≠greater than or equals≥greater than>less than or equals≤less than<

Here the Claim is : An Internet provider claims that the mean time the competitors' customers spend…

Answered: An Internet provider is trying to gain…

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

Related questions

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

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<