What is the cumulative distribution function, Basic Statistics

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.?

 

Posted Date: 3/13/2013 6:29:32 AM | Location : United States







Related Discussions:- What is the cumulative distribution function, Assignment Help, Ask Question on What is the cumulative distribution function, Get Answer, Expert's Help, What is the cumulative distribution function Discussions

Write discussion on What is the cumulative distribution function
Your posts are moderated
Related Questions
why death rates are standardlized

Define Aggressive Growth Fund: A mutual fund which is primary investment intention is substantial capital gains. The return & principal value of mutual funds fluctuate with changes

Answers & examples of accounting for the follow on the file being sent to you.

Depreciation on the company''s equipment for 2011 is computed to be $16,000.

From random sample of 48 days in a recent year, U.S. gasoline prices had a mean of $3.63. Assume the population standard deviation is $0.21?

Test the claim that 10% of a candy makers candies are red. Use a 0.05 significance and the table to answer the following questions: Find the proportion of the candies that are red?

After analyzing the data the researcher has to test ten hypotheses various tests such as chi square test t test have been developed by statisticians for the purpose. The hypotheses

Mention four characteristics and functions of statistics

Short-Term Credit Decision In no more than one typed page, provide a statement of your decision to lend or not lend to this company based on your interpretation of the company

merits and demerits of arithmetic mean