Question

An Internet provider is trying to gain advertising deals and claims that the mean time a customer spends online per day is greater than 31 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? Upper H 0 ​: ▼ p sigma mu sigma squared ▼ less than greater than not equals less than or equals greater than or equals 31 Upper H Subscript a ​: ▼ sigma p mu sigma squared ▼ greater than not equals less than or equals less than greater than or equals 31

Answer 1

1) If we are a internet provider then our hypothesis is

Ho: mu greater than 31

H1:mu less than or equal to 31

2) If we are a competitor then our hypothesis will be

Ho: mu leass than or equal to 31

H1;mu greater than 31