subject
Mathematics, 02.12.2019 05:31 jadawada223

An insurance agent says that the mean cost of insuring a two year old sedan is less than $1200. a random sample of 8 similar insurance quotes has a mean cost of $1125 and a standard deviation of $55. is there enough evidence to support the agents claim at a= 0.10

a) state the null and alternative hypotheses and label claim

b) state the type of tail and draw a graph of the area

c) find p.

d) compare a and p. make a decision

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3
Answers: 2
question
Mathematics, 21.06.2019 15:30
According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities
Answers: 1
question
Mathematics, 22.06.2019 01:10
You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?
Answers: 2
question
Mathematics, 22.06.2019 02:30
What are the factors of me - 12m + 20?
Answers: 1
You know the right answer?
An insurance agent says that the mean cost of insuring a two year old sedan is less than $1200. a ra...
Questions
question
Computers and Technology, 04.07.2019 07:10
question
English, 04.07.2019 07:10
Questions on the website: 13722359