subject
Mathematics, 09.12.2021 02:30 amanditafarinap3bw7g

A credit card company claims that the mean credit card debt for individuals is greater than $5,000. You want to test this claim. You find that a random sample of 35 cardholders has a mean credit card balance of $5,160 and a standard deviation of $625. At α=0.05, can you support the claim? Assume the population is normally distributed. a) Write the claim mathematically and identify H o and H a?(b) Find the critical value(s) and identify the rejection region(s).What is(are) the critical value(s)?(c) Find the standardized test statistic t.(e) Interpret the decision in the context of the original claim.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.
Answers: 3
question
Mathematics, 21.06.2019 21:30
‼️‼️‼️10 points‼️‼️‼️ me it’s important‼️‼️‼️‼️‼️
Answers: 1
question
Mathematics, 21.06.2019 22:00
Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr
Answers: 3
question
Mathematics, 21.06.2019 22:00
Two numbers have a sum of -19. one number is x. what expression represents the other number?
Answers: 2
You know the right answer?
A credit card company claims that the mean credit card debt for individuals is greater than $5,000....
Questions
question
Mathematics, 03.12.2021 23:00
Questions on the website: 13722367