Percentage of customers charges

Assignment Help Mathematics
Reference no: EM133199086

Assignment:

A major department store has determined that its customers charge an average of $500 per month, with a standard deviation of $80. Assume the amounts of charges are normally distributed.

a. What percentage of customers charges more than $380 per month?

b. What percentage of customers charges less than $340 per month?

c. What percentage of customers charges between $644 and $700 per month?

Reference no: EM133199086

Questions Cloud

What is the true cure for diabetes : Miami Dade College-What can we do as doctors and individuals to treat and eliminate diabetes based on molecular, cell, and human behavior knowledge?
Case study - team building at global green books publishing : What skills do team members need to be effective team members in a project? What guidelines would you get your team to agree on before beginning work?
How might chobani respond to its competitor initiatives : Who did Hamdi Ulukaya identify as the target market for his first cups of Greek yogurt? How might Chobani respond to its competitor initiatives?
How the SAP ERP system promotes an integrated approach : IT402 Integrated Enterprise Systems Assignment - Integrated Enterprise Systems Questions, Saudi Electronic University
Percentage of customers charges : A major department store has determined that its customers charge an average of $500 per month, with a standard deviation of $80.
Communicating the research results effectively : You will practice evaluating and summarizing published scientific research and communicating the research results effectively.
How might mattel have avoided the issues : To what extent is Mattel responsible for issues related to its production of toys in China? How might Mattel have avoided these issues?
Differences between efficacy and effectiveness : What are the differences between efficacy and effectiveness, according to the FDA?
How the knowledge skills or theories of course have applied : How the knowledge, skills, or theories of this course have been applied, or could be applied, in a practical manner to your current work environment.

Reviews

Write a Review

Mathematics Questions & Answers

  What is the limiting value of the average cost

Average cost of producing dvds the average cost per disc (in dollars) incurred by herald media corporation in pressing x dvds is given by the average cost.

  What is the probability that you are dealt exactly kings

Suppose that you are dealt a hand of 9 cards from a standard deck of 52 playing cards. What is the probability that you are dealt exactly 3 kings? What is the probability that you are dealt 9 cards of the same suit?

  Waiting line will occur at the station

The number of cars that arrive at a gas station is a Poisson random variable with a mean of 50 cars per hour. The station as only one attendant

  Estimate of the total contribution margin

Iacopi Corporation is a wholesaler that sells a single product. Management has provided the following cost data for two levels of monthly sales volume. The company sells the product for $172.50 per unit. The best estimate of the total contribution..

  Statistics related mathematical problem

How many employees should we sample if we want to change the ME to 2.5 with 90% confidence?

  A local dunkin donuts shop reported that its sales have

a local dunkin donuts shop reported that its sales have increased exactly 22 per year for the last 2 years. this years

  Bold word or number that correctly completes

1) Circle the bold word or number that correctly completes each statement. a. The graph has a negative / positive leading coefficient. b. The graph has one / two x-intercept(s).

  Find the associated internal rate of return r

An investment project has an initial outlay of $50 000 and at the end of each of the next two years has returns of $30 000.

  Define the traffic flow analysis

The speed of traffic flow in miles per hour on a stretch of Route 123 between 6 a.m. and 10 a.m. on a typical workday is approximated by the function.

  Find the object maximum height

A guided missile is propelled from the origin of a coordinate system with the x-axis along the ground and the y-axis vertical. Its path, or trajectory, is given by the equation below.

  International financial reporting standards

International Financial Reporting Standards (IFRS): Requires that receivables with different characteristics should be reported as one un-segregated amount.

  Find the relationship between the variables

The manager of Information Services at Wilkin Investigations, a private investigation firm, is studying the relationship between the age (in months).

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