Define the pdf for x

Assignment Help Business Economics
Reference no: EM131932371

A university has 14 statistics classes scheduled for its Summer 2013 term. 1 class has space available for 40 students, eight classes have space for 50 students, 1 class has space for 70 students, and four classes have space for 100 students.

Space is available for 910 students. Suppose that each class is filled to capacity and select a statistics student at random. Let the random variable X equal the size of the student's class. Define the PDF for X. (Enter your answers as fractions.) 

x p(x=x) x*p(x=x)

40 _____ __________

50 _______ _________

70 ________ ____________

100 __________ ___________

(c) Find the mean of X. (Enter your answer as a whole number.) ______________ students

(d) Find the standard deviation of X. (Round your answer to two decimal places.) _________ students

Reference no: EM131932371

Questions Cloud

Determine the point estimate of the population mean : Determine the point estimate of the population mean and margin of error for the confidence interval.
How global education differ from multicultural education : How does global education differ from multicultural education in both purpose and form? Explain global education and give a summary of what paper will be about.
Calculate the prospective inflation free irr for machine : Calculate the prospective inflation free IRR (io) for this machine if it is kept for three more years.
Create the bank reconciliation for july : High Tech Company of New York has provided you with the following cash account information for the month. Create the bank reconciliation for July 2011
Define the pdf for x : Let the random variable X equal the size of the student's class. Define the PDF for X. (Enter your answers as fractions.)
Gene-environment interaction analysis of quantitative traits : Review paper - Information-theoretic gene-gene and gene-environment interaction analysis of quantitative traits
What is the cognitive psychology : Can people train their brains to only remember positive memories? If so, would this be beneficial or something that could cause problems?
Modified convexity at annual effective rate : Find the value of the modified convexity at an annual effective rate of i = 4.8%.
Compute the weighted-average number of common shares : Compute the weighted-average number of common shares used in computing earnings per common share for 2016 on the 2017 comparative income statement

Reviews

Write a Review

Business Economics Questions & Answers

  Economics assignment

This document contains various important questions and their appropriate answers in the subject field of Economics.

  Demand and supply curves

Economics is the study of the principles governing the allocation of scarce means among competing ends when the objective of the allocation is to maximize the attainment of the ends.

  Long-run perfectly competitive equilibrium for the firm

Evaluate Government intervene and correct this situation?(a) Explain the concept of a concentration ratio. A rise in the price of magarine Explain the impact of external costs and external benefits on resource allocation long-run perfectly c..

  Supply and demand diagrams

Explain each of the following using supply and demand diagrams,  With the use of a graph, explain how these two programs affect cigarette consumption and the price of cigarettes.

  Case study: fisher-price toys

The case study of the Fisher-Price Toys, Inc., a popular case in basic economics and management from the prestigious Harvard Business School.

  Draw the production possibility curve

Draw the production possibility curve and a. Define consumer surplus and producer surplus.

  Tax revenue

The Australian government administers two programs that affect the market for cigarettes

  Maximize total welfare

How many tickets to sell to maximize total welfare.

  Difference between the cv and the ev

The change in consumer surplus (?CS) is not "theoretically" justifiable like the CV and EV but it continues to be the most widely used measure of consumer welfare change. Explain how this can be reconciled

  Depict von neumann-morgenstern utility index u in a diagram

Depict the von Neumann-Morgenstern utility index u in a diagram

  What is the market solution

What is the market solution (market price and quantity) and What is the total surplus of the society under the market solution

  Calculate gross national product and net national product

Calculate gross national product and net national product

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