Solution Found!

Fundamentals of Statistics | 4th Edition | ISBN: 9780321838704 | Authors: Michael Sullivan,III
Change Question

Sullivan Statistics Survey and Credit Card Debt According

Chapter 6, Problem 33AYU

(choose chapter or problem)

Get Unlimited Answers
QUESTION:

Sullivan Statistics Survey and Credit Card Debt   According to the credit reporting agency Transunion, the mean credit card debt in the United States among individuals with credit cards for the period between April and June of 2010 was $4951. Treating the results of the StatCrunch survey as a random sample of U.S. residents, determine whether there is evidence to suggest that credit card debt is lower than $4951. Use the \(\alpha=0.05\) level of significance.

Questions & Answers

QUESTION:

Sullivan Statistics Survey and Credit Card Debt   According to the credit reporting agency Transunion, the mean credit card debt in the United States among individuals with credit cards for the period between April and June of 2010 was $4951. Treating the results of the StatCrunch survey as a random sample of U.S. residents, determine whether there is evidence to suggest that credit card debt is lower than $4951. Use the \(\alpha=0.05\) level of significance.

ANSWER:

Answer :

Step 1

a)

Here the hypothesis H0: μ = $4951 versus H1:μ  < $4951.

We know that

Add to cart

Study Tools You Might Need

Chapter: 7 Problem: 53P

Introductory Chemistry 5
Is each chemical equation correctly balanced? If not, correct it. (a) \(R b(s)+\mathrm{H}_{2} \mathrm{O}(\mathrm{l}) \rightarrow \mathrm{RbOH}(a q)+\mathrm{H}_{2}(g)\) (b) \(2 \mathrm{~N}_{2} \mathrm{H}_{4}(g)+\mathrm{N}_{2} \mathrm{O}_{4}(g) \rightarrow 3 \mathrm{~N}_{2}(g)+4 \mathrm{H}_{2}

Chapter: 10 Problem: 10.52

Classical Mechanics 0
Consider the rapid steady precession of a symmetric top predicted in connection with (10.112). (a) Show that in this motion the angular momentum L must be very close to the verti-cal. [Hint: Use (10.100) to write down the horizontal component Lhor of L. Show that if is given by the right side of (10.

Chapter: 0 Problem: 6

Biology 8
xrhich cell would be best for studying lysosomes? a. muscle cell d. leaf cell of a plant b. nerve cell e. bacterial cell c. phagocytic white blood cell

Chapter: 11 Problem: 8

Anatomy & Physiology 1
The location of a muscles insertion and origin can determine ________. a. action b. the force of contraction c. muscle name d. the load a muscle can carry

Chapter: 7 Problem: 11

Campbell Biology: Concepts & Connections 7
How is photosynthesis similar in C4 plants and CAM plants? a. In both cases, the light reactions and the Calvin cycle are separated in both time and location. b. Both types of plants make sugar without the Calvin cycle. c. In both cases, rubisco is not used to fix carbon initially. d. Both types of p

Chapter: 21 Problem: 1

Human Biology 11
Why is DNA replication called semiconservative?

Chapter: 12 Problem: 12.41

Chemistry for today : general, organic, and biochemistry 9
Explain why geometric isomerism is not possible in alkynes.

Chapter: 3 Problem: 33

Biochemistry 9
If the amino acids alanine and glycine react to form a peptide bond, is there more than one reaction product? If so, what products?

Not The Solution You Need? Search for Your Answer Here:

×

Login

Login or Sign up for access to all of our study tools and educational content!

Forgot password?
Register Now

×

Register

Sign up for access to all content on our site!

Or login if you already have an account

×

Reset password

If you have an active account we’ll send you an e-mail for password recovery

Or login if you have your password back