Standard deviation of the number of customers

Assignment Help Basic Statistics
Reference no: EM131444814

When a customer places an order with a certaincompany's on-line supplystore, a computerized accounting information system(AIS) automatically checks to see if the customer has exceeded his or her credit limit. Past records indicate that the probability of customers exceeding their credit limit is 0.04 Supposethat, on a given day, 19 customers place orders. Assume that the number of customers that the AIS detects as having exceeded their credit limit is distributed as a binomial random variable

  • What are the mean and standard deviation of the number of customers exceeding their credit limits?
  • What is the probability that 0 customers will exceed their limits?
  • What is the probability that 1 customer will exceed his or her limit?
  • What is the probability that 2 or more customers will exceed their limits?

Reference no: EM131444814

Questions Cloud

Determine the expected spread in the number : Assuming this is true, determine the expected spread in the number (i.e., mean ± 1 standard deviation) of home buyers (from sample of 20 home buyers) that will do some remodeling to their home within the first 5 years of home ownership.
Describe your selected criminal behavior : Describe your selected criminal behavior. Discuss the etiology theories discussed in Module 2 as they pertain to your selected criminal behavior. Describe relevant prevention, intervention, and treatment specific to your criminal behavior.
Prepare forecasted numbers for bmy company : You need to prepare a two page executive summary discussing the new forecasted numbers for BMY company attached.
Metal tubes for the aerospace industry : A company manufactures metal tubes for the aerospace industry. The company has two workers (Joe and Sam) who measure the final products to ensure that they are the correct length.
Standard deviation of the number of customers : What are the mean and standard deviation of the number of customers exceeding their credit limits? What is the probability that 0 customers will exceed their limits? What is the probability that 1 customer will exceed his or her limit? What is the pr..
Analyzes the assumptions of the independent samples t-test : Analyzes the assumptions of the independent samples t-test. Faculty Comments: the information in the tables is incorrect. " Develops a conclusion that includes strengths and limitations of an independent samples t-test.
Explain the affect of demand on products : All else being equal, how would each of the following affect the demand for M1? The demand for M2? Explain. a. The maximum number of checks per month that can be written on money market mutual funds and money market deposit accounts is raised from ..
Discuss about the three approaches to normative theory : Write a paper addressing this topic, supporting your statements with credible research on the three approaches to normative theory. You may begin your research with the Suggested Resources for this unit, but you are also expected to conduct your o..
How are icd-ten codes used in the payment systems : How are ICD-10 Codes used in these payment systems? Review the CMS website for various Medicare prospective payment systems.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Expected number of republicans

What is the expected number of Republicans who will win office in the coming election?

  Use backward empirical rule to check for evidence

Construct a normal probability plot for these data. Is there any evidence to suggest non-normality?- Use the backward empirical rule to check for evidence of non-normality.

  Compute the test statistic value

At a significance level of 0.05, does the sample provide sufficient evidence to support your claim?

  Prepare a run chart-scatter chart-control chart

Problem 1: Using the following data, prepare a run chart, scatter chart, and control chart. A late surgery is defined as any surgical operation that was started more than 30 minutes after its scheduled time (Table).

  Find the probability that student will pass both courses

The probability that a student passes mathematics is 2/3 and the probability that he passes biology is 4/9. If the probability of passing one course is 4/5, what is the probability that he will pass both courses?

  Problem regarding the rock removals and replacements

Rock from quarry #9 is not suitable for rock needed in quarry #5. Minimize travel needed accomplish all the rock removals and replacements

  The highest price consumers are willing to pay

I want to establish if a new product is worth marketing. At least 85 percent of the public must express interest in the product and for those that do the average cost they are willing to pay must be at least $47.50.

  Estimate of the true melting point of lead

The sample mean and sample standard deviation of these measurements were (in degrees centigrade) 330.2 and 15.4, respectively. Construct a 95 percent confidence interval estimate of the true melting point of lead

  Grindwell inc a manufacturer of grinding tools is

grindwell inc. a manufacturer of grinding tools is conshycerned about the durability of its products which dependson

  Successive car interarrival times

To cross a single lane of moving traffic, we require at least a duration d. Successive car interarrival times are independently and identically distributed with probability density function fT (t).

  Finding at least five left-handers out

The probability that an individual is left-handed is 0.1. In a class of 30 students, what is the probability of finding at least five left-handers?

  Questiona the following probability distributions relate to

questiona. the following probability distributions relate to the completion times in weeks ta and tb of two independent

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