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

Capital budgeting techniques, Capital budgeting Techniques Financial com...

Capital budgeting Techniques Financial commitment spending budget (or investment appraisal) is the planning process used to figure out whether a company long run purchases such

Probability, 1) A certain brand of batteries has a lifetime that has a norm...

1) A certain brand of batteries has a lifetime that has a normal distribution with a mean of 3,800 hours and a standard deviation of 390 hours. b) What lifetime should the manufac

Exploratory analysis of the data, The Home Improvement Company (HIC) operat...

The Home Improvement Company (HIC) operates five stores in a large regional area. The company wished to study the relationship between x, house value ($'000) and Y, yearly expendit

Frequency polygon, Differentiate between Historigrams and Histogram

Differentiate between Historigrams and Histogram

Ogive, how to draw less than ogive

how to draw less than ogive

Responsiblity accounting significance, What is significance of Responsiblit...

What is significance of Responsiblity accounting in divisional performance statement measurement?

What after the implementation of ifrs, What after the implementation of IFR...

What after the implementation of IFRS?  Manager 1: IFRS is only the first step towards the change that the SEC is trying to bring in. Firstly it is going to take a couple of year

Statistics question, 1. A sample from 16 different farms across Quebec show...

1. A sample from 16 different farms across Quebec shows that the hay production in bales per acre is normally distributed N(100,50). a. (2p )What is the probability that a random

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