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

Probability, if you tossed coin 6 times what is probability of getting more...

if you tossed coin 6 times what is probability of getting more than 3 head?

Probable, how do you interpret the correlation on the basis of probable err...

how do you interpret the correlation on the basis of probable error

methods of collecting primary data, Distinguish between primary and second...

Distinguish between primary and secondary data. What are the methods of collecting primary data?

Statistical quality control, If in a hall there are 18 persons then how man...

If in a hall there are 18 persons then how many handshakes are possible?

Determine the sources of data, The next step is to determine the sources of...

The next step is to determine the sources of data to be used. The researcher has to decide whether he has to collect primary data ror depend exclusively on secondary data. Sometime

Angular histogram, Angular Histogram A method or technique for displayin...

Angular Histogram A method or technique for displaying the circular data, which involves the wrapping of the usual histogram around a circle. Each bar in the histogram is center

Evaluate the probability, Question 1: (a) 75 percent of all people in a...

Question 1: (a) 75 percent of all people in a population are vaccinated against a par-ticular disease. During an epidemic, the probability that a vaccinated person is infected

Are depreciation, Are depreciation, depletion and amortization similar? ...

Are depreciation, depletion and amortization similar? In accounting the terms depreciation, depletion and amortization often involve the movement of costs from the balance s

Concept of depreciation briefly, concept of Depreciation briefly. The pr...

concept of Depreciation briefly. The primary idea of the Depreciation is to create off the value of worried resources by a certain amount as per prescribed. Devaluation is incur

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