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

Find the probability density function, The lifetime T (in days) of an elect...

The lifetime T (in days) of an electrical component has reliability function given by: R(t) = e - 0 : 01 t for time t > 0. An electrical system consists of four such component

Historigram, difference between historigram and histogram

difference between historigram and histogram

How long it takes a ball to fall to the bottom of a cone, A game that frien...

A game that friends and I try to play to guess how long it takes a ball to fall to the bottom of a cone and how many revolutions around the cone it will take. I do not have a lot

Descriptive statistics, The descriptive statistics outputs for both the var...

The descriptive statistics outputs for both the variables are as below: Wii Group Mean 95.8 Standard

Research, tools and techniques used in quantitative research

tools and techniques used in quantitative research

Managerial accounting, Barker Company has a single product called a Zet. Th...

Barker Company has a single product called a Zet. The company normally produces and sells 80,000 Zets each year at a selling price of $40 per unit. The company’s unit costs at this

Determine the probability, Question 1: A mail-order firm has a circular...

Question 1: A mail-order firm has a circular which elicits a 10% response rate. Suppose 20 of the circulars are mailed as a market test in a new geographic area. Assuming that

Which date is used to record a credit card transaction, Which date is used ...

Which date is used to record a credit card transaction? When a company uses its bank greeting cards, the transaction time frame is the time frame the bank greeting cards is used

Accounting standards in united states, United States: There are currently ...

United States: There are currently more than 10000 companies that are registered with the SEC (Securities Exchange Commission). Of these, around 1000 are non US companies. The non

Differance between categorical and dependent variable, Choose a topic that ...

Choose a topic that interests you that you can explore either with the 2006 GSS. You should have one primary "dependent" variable that you are interested in (Y). This variable shou

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