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

Joint probability, Two construction contracts are to be randomly assigned t...

Two construction contracts are to be randomly assigned to one or more of three firms. Numbering the firms I, II, and III, let X1 be the number of contracts assigned to firm I, and

Cost behaviour, variable cost per unit remain constent why

variable cost per unit remain constent why

Determine the relative strength, The results of a study using focused compa...

The results of a study using focused comparison techniques showed that two independent variables distinguished between successful and unsuccessful negotiations with the US on secur

Spectral Hydrogen Atom, Long before Bohr gave his theory of hydrogen atom, ...

Long before Bohr gave his theory of hydrogen atom, various scientists had observed experimentally, the spectral series of hydrogen atom. Bohr offered a theoretical explanation of t

T, #how will understand question..moving average method problems for 4year...

#how will understand question..moving average method problems for 4yearly&5yearly also

STATISTICAL & NUMERICAL METHODS, A and B throw with one dice for a prize of...

A and B throw with one dice for a prize of Rs.11 which is to be won by a player who first throws 6. If A has the first throw, what are their respective expectations?

Clearing account, Clearing account An account used to build up entire char...

Clearing account An account used to build up entire charges, credits so that they can be disseminated later amongst the accounts to which they are allocable, so that the net diffe

Capital account stockholders proprietorship, Define of capital account refl...

Define of capital account reflecting the funds invested in an entity. Capital account is termed as the account reflecting the funds invested in the entity by the stockholders or pa

Audit, hi i need help for an auditing assignment

hi i need help for an auditing assignment

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