A large firm has 85 of its service calls made by a

Assignment Help Basic Statistics
Reference no: EM13638477

A large firm has 85% of its service calls made by a contractor, and 10 of these calls result in customer complaints. The other 15% of the service calls are made by their own employees, and these calls have a 5% complaint rate. Find the:

a) Probabiltiy of receiving a complaint

b) Probability that the complaint was from a customer serviced by the contractor

Reference no: EM13638477

Questions Cloud

Calculate kf for cdnh342 from the following data a mixture : calculate kf for cdnh342 from the following data a mixture of 10.0 ml of 0.120 m cdno32 with 40.0 ml of 0.600 m nh3
A what minimum constant acceleration does the aircraft : a cessna aircraft has a lift-off speed of 120 kmh.a what minimum constant acceleration does the aircraft require if the
Determine the maximum wall temperature associated with a : consider refrigerant r-134a flowing in a smooth horizontal 10-mm-inner-diameter tube of wall thickness 2 mm. the
The isomerization of cyclopropane follows first order : the isomerization of cyclopropane follows first order kinetics. therate constant at 700k is 6.20e-4 min-1 and the half
A large firm has 85 of its service calls made by a : a large firm has 85 of its service calls made by a contractor and 10 of these calls result in customer complaints. the
Determine the maximum wall temperature associated with a : consider refrigerant r-134a flowing in a smooth horizontal 10-mm-inner-diameter tube of wall thickness 2 mm. the
Consider a lithium atom two of its electrons are in the : consider a lithium atom two of its electrons are in the 1sshell and the third is in the 2s shell1- consider the lithium
An analyst must decide between two different forecasting : an analyst must decide between two different forecasting techniques for weekly sales of roller blades a linear
Find the final mass of nitrogen in the tank and the final : a steel cylinder initially contains nitrogen gas at 200kpa and 25 c. the cylinder is connected to a suply line

Reviews

Write a Review

Basic Statistics Questions & Answers

  Function of normal distribution random variable

The moment generating function of normal distributed random variable ,Y, with mean and variance .derive the moment generating function of X=-3Y+4.what is the distribution of X? why?

  Under what conditions should use mcnemar test

Under what conditions should you use the McNemar test? Under what conditions should you use the Kruskal-Wallis rank test?

  Using of credit card for rewards program

26% of college students say they use credit card because of the rewards program . You randomly select 10 college students and ask each to name the reason he or she uses credit cards.

  Calculate the population mean margin of error

Calculate the population mean margin of error for a 90% confidence interval when sigma is 4 and sample size is 36. Standard IQ test has mean of 98 and standard deviation of 16.

  Test of hypothesis for difference between proportions

To market a new white wine, a winemaker decides to use two different advertising agencies one operating in the East and one in the West. After the white wine has been on the market for 8 months, independent random samples of wine drinkers are take..

  Perform a hypothesis test that the average rent for a

bob looks in the classified ads for rents on one-bedroom and two-bedroom apartments. he writes down the figures for 10

  Find the inverse probability of given data

The manufacturer would like to establish Inventory levels such that there is only a 5% chance of running out of stock. Where the Manufacturer should set the inventory levels?

  What is a chi-squared test

What is a "Chi-Squared Test"? Provide a fully referenced explanation and provide a brief example on a Chi-squared test, fully referencing all sources of information.

  A linear regression was done to relate systolic blood

a linear regression was done to relate systolic blood pressure to weight measured in pounds. the resulting regression

  Should you use a binomial distribution please give a reason

should you use a binomial distribution? please give a reason for your answer. in a random sample of students x is the

  Expected value of the random variable

Expression used to compute an interval estimate of m may depend on any of the following factors except and expected value of the random variable

  People tend to be absent more on some days

Does it seem to you that people tend to be absent more on some days of the week than on others?

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