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

Inventory, An audit of the accounting records of Loch Ness Ltd. for the ye...

An audit of the accounting records of Loch Ness Ltd. for the year ending 30 June 2012 discovered that the ending inventory balance was over-valued by $35,000

Calculate and interpret the measures of dispersion for data, You are workin...

You are working for the management of ESK Jewellery as a marketing consultant. The main business of ESK Jewellery is the retailing of diamond jewellery. They opened their first sho

Characteristic, 1. Mention the characteristics of Statistics. Explain any t...

1. Mention the characteristics of Statistics. Explain any two applications of Statistics.

Opertions research, meaning and definition of operations rsearch

meaning and definition of operations rsearch

T-distribution, How does the t-distribution changes its shape with the chan...

How does the t-distribution changes its shape with the change of the size of the sample?

Quartiles and percentiles, Quartiles and Percentiles Percentile can ...

Quartiles and Percentiles Percentile can be explained as : a measure this tells us what is the percent of the total frequency scored at or below the measure. Quartiles

Replacement theory, who is the mathematician who invented replacement theor...

who is the mathematician who invented replacement theory of operation research

Histogram, defference between historigrams & histogram

defference between historigrams & histogram

Capital projects funds, Capital projects funds Capital projects funds are ...

Capital projects funds Capital projects funds are used to account for the acquisition &/or structure of major capital facilities [other than those financed by proprietary funds &

Time series, what are the characteristics

what are the characteristics

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