What is the cumulative distribution function, Basic Statistics

Assignment Help:

The waiting time for an incoming call at the front desk of mathematics Department follows an exponential distribution. During business hours, the average of the waiting times is 10 minutes.

(a)  What is the cumulative distribution function and the variance of the waiting time?

(b)  What is the probability that the first call after 9:30 a.m. is between 9:45 a.m. and 9:55 a.m.?

(c)   If there is no call between 9:30 a.m. and 9:45 a.m., what is the probability that there will be no call between 9:30 a.m. and 9:55 a.m.?

 


Related Discussions:- What is the cumulative distribution function

Accounting standards in word countries, Accounting Standards in word countr...

Accounting Standards in word countries: Diverse countries like Peru, Australia, Kuwait, South Africa etc. have all started adopting the IFRS. The SEC has suggested that all compan

How to calculate midrange in statistics?, Midrange The midrange is the ...

Midrange The midrange is the measure of the center that is the value midway between the highest and the lowest values in the original data set. It is found by adding the highes

Vital statistics, what are the methods of measuring mortality and fertility...

what are the methods of measuring mortality and fertility rates?

Do you think the change towards ifrs is a good idea, Do you think the chang...

Do you think the change towards IFRS is a good idea? Manager 1: This change is definitely going to be a very positive change. There are no doubt a lot of advantages that IFRS

Random variables, A Biology student estimates that the probability that a c...

A Biology student estimates that the probability that a certain organism will live beyond 24 hours is .40. If he conducts on 7 of this type or organisms, find the probability that

Regression, y=c+1075x, when x was 2, and y was 239, given that y intercept ...

y=c+1075x, when x was 2, and y was 239, given that y intercept was 11. Calculate the residual

Cat, charlie removes the 12 face cards from a standard deck of cards then s...

charlie removes the 12 face cards from a standard deck of cards then shuffles the face cards together on their own. He selects 2 cards from the pile. The probability that the first

A m, what is the relationship between the variance and the standard deviati...

what is the relationship between the variance and the standard deviation?

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