Calculate the average account balance, Basic Statistics

Assignment Help:

In June 2009, the average Australian credit card account balance was $3,127, according to data extracted Assuming that these balances are approximately Normally distributed with a mean of $3,127 and a standard deviation of $1,500:

(a) Find the probability that an account balance is less than $2,000. Use a diagram!

Clearly indicate any properties of the Normal distribution that you are using to facilitate your calculation.

(b) One quarter of credit card accounts carry at least what balance? Use a diagram!

(c) Suppose that 100 credit card account balances are randomly selected. What is the probability that the average account balance in this sample is greater than $3,200? Use a diagram! What quantity must be approximately Normal for this calculation?

 


Related Discussions:- Calculate the average account balance

Individual tax accounting, need help with exercise that asks to calculate g...

need help with exercise that asks to calculate gross income, adjusted gross income and taxable income based on items1-13, which i can submit the exercise copies as soon as you tell

Normal distribution, Lifts usually have signs indicating their maximum capa...

Lifts usually have signs indicating their maximum capacity. Consider a sign in a lift that reads “maximum capacity 1400kg or 20 persons”. Suppose that the weights of lift-users are

Index number, Characteristics of index number

Characteristics of index number

Oecd database exercise , For this second assignment you will have to use th...

For this second assignment you will have to use the OECD database to investigate possible changes in the policy preferences of Western welfare states. You have to develop (i) an in

Science, #question how to make an electron dot diagram

#question how to make an electron dot diagram

Statistics, example of descriptive and inferential statistics?

example of descriptive and inferential statistics?

Managerial accounting, The ABC Company''s old equipment for making subassem...

The ABC Company''s old equipment for making subassemblies is worn out. The company is considering two alternatives: a) Completely replacing the old equipment with new equipment b)

Accounts payable in accounting, Volumes due to personal individuals or comp...

Volumes due to personal individuals or companies for products and/or services obtained by the state. Records Due does not involve amounts due to other companies, resources, or othe

Stats, 1. A search engine site claims that, on average, one out of five vis...

1. A search engine site claims that, on average, one out of five visitors clicks on an ad. (a) If 8 users visit the site, what is the probability that at least three click on an a

calculate the merger premium, Consider the following pre-merger informatio...

Consider the following pre-merger information concerning two firms, Mokhaba Manufacturers and Mabhida Merchants:  Data

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd