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

Collection method, what is the advantages of face-to-face interview?

what is the advantages of face-to-face interview?

Define appraisal, Define appraisal (1) The act of evaluating. (2) The appr...

Define appraisal (1) The act of evaluating. (2) The approximated value as a result of such measures. Talk about APPRAISE

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

3-month absolute deviation, For our class homework we prepared a 3-month fo...

For our class homework we prepared a 3-month forecast for sales (12 months with actual sales for each month). What or how do we figure the absolute deviation of the 3-month foreast

Operation research, Meaning and solving example using north-west corner in ...

Meaning and solving example using north-west corner in Transportation problem

Adaptations, what are flatworms adaptations

what are flatworms adaptations

Accounting is an art of recording, Accounting is an art of recording Yes...

Accounting is an art of recording Yes, we recognize upon that declaration because if we evaluate the primary features of the accounting program we will find that primary three p

Calculate index number, TIME SERIES ANALYSIS: 1) Discuss the various m...

TIME SERIES ANALYSIS: 1) Discuss the various models of Time series. 2) What are the various methods of trend analysis? What are their implications in the business world?

Cash basis, Cash basis A basis for accounting whereby revenues are recorde...

Cash basis A basis for accounting whereby revenues are recorded only when received & expenses are recorded only that salaried with no regard to the era in which they be earned, in

Index numbers, Analyse the different types of index numbers numbers numbe...

Analyse the different types of index numbers numbers numbers and their benefit to the Differentialgleichungen business world.

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