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

Defining statistics, Problem 1 Statistics plays a vital role in almost ...

Problem 1 Statistics plays a vital role in almost every facet of human life. Statistics. Explain the applications of statistics in business and management. Defining Stati

Probability, There are 49 mice in a pet shop. 30 mice are white. 27 mice ...

There are 49 mice in a pet shop. 30 mice are white. 27 mice are male. 18 mice have short tails. 8 mice are white and have short tails. 11 mice are male and have short tails.

Evaluate the probabilities, Problem: a. According to a Business week po...

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 (B

Ogive, When we use upper or lower class boundaries during calculation of og...

When we use upper or lower class boundaries during calculation of ogive graph?

Stats, 1. A search engine site claims that, on average, one out of five vis...

1. A search engine site claims that, on average, one out of five visitors clicks on an ad. (a) If 8 users visit the site, what is the probability that at least three click on an a

Mariginal costing, marginal costing and its break-event analysis

marginal costing and its break-event analysis

QUANTITATIVE METHODS., A LARGE SHIPPPING COMPANY RECORDED THE NUMBERS OF TO...

A LARGE SHIPPPING COMPANY RECORDED THE NUMBERS OF TONS SHIPPED WEEKLY ACROSS THE PACIFIC FOR 50 WEEKS. ARRANGE DATA IN A LESS THAN CUMULATIVE DISTRIBUTION USING SEVEN CLASSES OF E

material costing and control, summarize chapter 2 in three pages, material...

summarize chapter 2 in three pages, material costing and control

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