Evaluate the probabilities, Basic Statistics

Assignment Help:

Problem:

a. According to a Business week poll of 1035 adults, 40% of those surveyed agreed strongly with the proposition that business has too much power over American life (Business Week, September 2000). Assume this percentage is representative of the true population. In a sample of 10 individuals taken from the population, what is the probability that at least five of these individuals will feel that business has too much power over American life?

b. Suppose phone calls for assistance arrive at a rate of 48 per hour at the complaints desk of a company's after sale service department.

i. Compute the probabilities of receiving exactly 10 calls, 15 calls and 20 calls in 15 minutes.

ii. Suppose no calls are currently on hold. If the agent takes five minutes to complete the current call, how many callers do you expect to be waiting by that time? What is the probability that: (a) none and (b) exactly two will be waiting?

iii. If no calls are currently being processed, what is the probability that the agent can take three minutes for personal time without being interrupted by a call? What is the probability that he will receive only one call during these three minutes?


Related Discussions:- Evaluate the probabilities

Mean, Limitations of mean

Limitations of mean

Venn diagrams, how do i solve questions with venn diagrams

how do i solve questions with venn diagrams

Chapter 7, A study of long term phone calls made from general electricss co...

A study of long term phone calls made from general electricss corporate headquarters in fairfeild, conneticuit, revealed the length of the calls, in minutes follows the normal prob

Cost behavior/classificationq, Shipping costs on Merchandise sold--it is a ...

Shipping costs on Merchandise sold--it is a variable cost, but is it a selling/adminstrative cost or product cost? Is it direct or indirect?

Motion of a plane, what is newton''s law of motion & application?

what is newton''s law of motion & application?

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

Moderate negative correlation, I want as much information about moderate ne...

I want as much information about moderate negative correlation.

Sketch the frequency resoponce, i) For a 3 term averagin filter, write a di...

i) For a 3 term averagin filter, write a difference eqatuon governing the filter and dervie the corresponding z transform Sketch a pole zero plot, would this filter be stable, why

Acc, Project I The trial balance of the Parton Wholesale Company contain...

Project I The trial balance of the Parton Wholesale Company contained the following accounts at December 31, 2010 the end of the company’s calendar year. PARTON WHOLESALE COMPA

Calculate the p-value for the test statistic value, A subject is asked to p...

A subject is asked to pick the suit of a card that she does not see, picked at random from a standard deck of playing cards. If the subject has no extra-sensory powers (ESO) her gu

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