Compute the probability that exactly ten requests

Assignment Help Basic Statistics
Reference no: EM131106832

The number of requests for assistance received by a towing service is a Poisson process with average of 4 requests per hour*.

a) Compute the probability that exactly ten requests are received during a particular 2 hour period.

b) If the operators of the towing service take a 30 min break for lunch, what is the probability that they do not miss any calls for assistance?

c) How many calls would you expect during their break?

Reference no: EM131106832

Questions Cloud

Bcc or the fcc crystal structure : 1-An x-ray diffractometer recorder chart for an element that has either the BCC or the FCC crystal structure shows diffraction peaks at the following 2θ angles: 400, 580, 730, 86.80, 100.40, and 114.70. The wavelength of the incoming x-ray used was 0..
Paper on special issues in communication : Write a 1,050- to 1,400-word paper on special issues in communication. Discuss the following in your paper as they relate to communication: Diversity and Ethics
Verify the validity of the chapman-kolmogorov identity : Using this example, verify the validity of the Chapman-Kolmogorov identity.
The amount of pressurization in an airline cabin : Passenger comfort is influenced by the amount of pressurization in an airline cabin. Higher pressurization permits a closer-to-normal environment and a more relaxed flight. A study by an airline user group recorded the corresponding air pressure o..
Compute the probability that exactly ten requests : The number of requests for assistance received by a towing service is a Poisson process with average of 4 requests per hour*. a) Compute the probability that exactly ten requests are received during a particular 2 hour period.
What risk does beta measure : What risk does beta measure? How can you find the beta of a portfolio?
How does international diversification enhance risk : How does international diversification enhance risk reduction? When might international diversification result in subpar returns? What are political risks, and how do they affect international diversification?
Probability function of the number : a) What is the probability function of the number of granite specimens selected for analysis? b) What is the probability that all specimens of one of the two types of rock are selected for analysis?
Devise an iterative method of generating valid configuration : The objective is to find a tour (i.e., permutation of the order in which the cities are visited) that is of minimal total length L. In this problem, the different possible tours are the configurations, and the total length of a tour is the cost fu..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Presentation on his fourth attempt

A salesman normally makes a sale (closes) on 80% of his presentations. Assuming the presentations are independent, find the probability of each of the following. a) He fails to close for the first time on his fifth attempt. b) He closes his first p..

  Null-alternative hypotheses that consumer group should test

The true average gas mileage for this new model, which of the following gives the null and alternative hypotheses that the consumer group should test?

  Determining confidence interval for mean ph in rainfall

Determine a 99% confidence interval for mean pH in rainfall.  How would you distinguish interval?

  Expected number of claims by males

what is the expected number of claims by males under 25? what is the standard deviation of the distribution. (How to show on excel using binodist formula).

  Find probability of guessing exactly three answers correctly

Find the probability of guessing (a) exactly three answers correctly, (b) at least three answers correctly, and (c) less than three answers correctly.

  Why monthly sales have changed statistically

During the last year sales averaged $22,000 per month. Does this indicate that monthly sales have changed (in a statistically significant sense)? Use  0.05. Assume monthly sales are normally distributed.

  Conduct a hypothesis test using the level of significance

Conduct a hypothesis test using the .04 level of significance to determine if there is a difference between the population means.

  A company pays its employees an average of 1590 an hour

a company pays its employees an average of 15.90 an hour with a standard deviation of 1.50. if thh wages are normally

  Manufacturing overhead costs as product costs

What arguments can be advanced in favor of treating fixed manufacturing overhead costs as product costs? What arguments can be advanced in favor of treating fixed manufacturing overhead costs as period costs?

  The weights of ripe watermelons grown at mr smiths farm

the weights of ripe watermelons grown at mr. smiths farm are normally distributed with a standard deviation of 2.7 lb.

  Provide calculations to show that the maximum profit

Provide calculations to show that the Maximum profit based on the training data is $2.548 Million Provide calculations to show that the profit based on the training data is $0.154 Million, if 100,000 packages are mailed randomly to members.

  Compute the overall sample mean and sample variance

Compute the overall sample mean, sample variance, and variance of the sample means for each machine.  Determine the probability that a single sample mean is below 500 if the process is operating properly for each machine

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