Standard deviation of profit per ticket

Assignment Help Basic Statistics
Reference no: EM1396624

One state lottery has 300 prizes of $1, 65 prizes of $10, 18 prizes of $75, 6 prizes of $325, 2 prizes of $1000, and 1 prize of $2000. Assume that 32,000 lottery tickets are issued and sold for $1.

1. What is the lottery's expected profit per ticket?

2. What is the lottery's standard deviation of profit per ticket?

3.What is the lottery's expected contribution to state schools per ticket given the equation: contribution per ticket= 4/11 (profit per ticket)-(1/23)

Reference no: EM1396624

Questions Cloud

Simple linear regression model problem : A fellow researcher fits a simple linear regression model Yi = α + βXi + ui by least squares, but has doubts that the first least squares assumption E(ui |Xi) = 0 is correct for her data set.
Role of sterile saline plus organism on the slide test : How would you interpret a negative Slide Test and a positive Tube test using the same organism? What is the role of sterile saline plus organism on the Slide Test?
Provide correct labels for generations and individuals : Construct-diagram a pediigree that clearly demonstrates the x-linked recessive pattern of inheritance. Use a made up trait and family history containing three generation and between 18 and 20 individuals with equal numbers of females and males in ..
Idea of least squares : What is the idea of "least squares"? What is the connection between "least squares" and linear regression?
Standard deviation of profit per ticket : One state lottery has 300 prizes of $1, 65 prizes of $10, 18 prizes of $75, 6 prizes of $325, 2 prizes of $1000, and 1 prize of $2000. Assume that 32,000 lottery tickets are issued and sold for $1.
Assume that this population is in hardy- weinberg proportion : Albinism is an autosomal recessive trait in the clouded salamander (Aneides ferreus). In the main cave population at Oregon Caves National Monument, 100 salamanders are albino while 900 individuals are not (891 AA and 9 Aa). Assume that this popul..
Is the population in hardy-weinberg equilibrium : MN blood types were assessed for a population that consists of 100 individuals: 45 have blood type M, 30 have blood type MN and 25 have blood type N. Is the population in Hardy-Weinberg Equilibrium with regards to this locus? Show your calculation..
Examining a regression analysis : Prepare a paper examining a regression analysis on your collected data. Begin by describing the research issue, problem, or opportunity and the accompanying data. Then, perform a regression analysis on your data.
Importance of bacterial lawn : Why is important to get a bacterial lawn rather than isolated colonies on the plate? Does the zone of inhibition's edge indicate the limit of antibacterial agent diffusion into the agar?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Why the method for z used in the following questions

The diameters of oranges in a certain orchard are normally distributed with a mean of 5.26 inches and a standard deviation of 0.50 inches.

  Normal frequency distribution

In a normal frequency distribution, 32% of the cases:

  Determining critical value using one-tailed t-test

Assume a one-tailed t -test is being applied to determine if population mean is less than $212.  Level of significance chosen is 0.01 and 26 accounts are sampled. Determine the critical value?

  What is the probability-paid cash or check

Ms. Tina Stevens just purchased a new dress that cost $120. What is the probability she paid cash or check? (Round your answer to 3 decimal places.)

  Probability problem on normal distribution

The mean number of passengers per cruise is 1,820 and the standard deviation is 120.

  Computing linear correlation coefficient

Given the following ordered data pairs (x, y), compute the value of the linear correlation coefficient r: (2,6) (3,0) (5,15) (5,5) (10,2).

  Calculating confidence interval if sample size is given

Calculate the 90% confidence interval about μ if sample size, n, is 55. How does increasing sample size affect margin of error, E?

  Level of significance-variability unchanged

Assuming that the variability is unchanged (i.e.,  σ  = 6), is there sufficient evidence to suggest that the strength of the product has increased at the 1% level of significance?

  Representation of a sample or a population

Does the data set represent a sample or a population? If it is a sample, describe the population from which it has been drawn.

  Modal selling price of houses

(a) Find the median cost of houses at Coal City in 1988. (b) Find the modal selling price of houses at Coal City in 1988.

  Determining that oil cleaning spills are effective machines

A research company has designed three different systems to clean up oil spills. The following table contains the results, measured by how much surface area (in square meters) is cleared in 1 hour. The data were found by testing each method in seve..

  Modelling with single qualitative independent variable

When modelling E(y) with single qualitative independent variable, number of 0 - 1 dummy variables in model is equal to number of levels of qualitative variable.

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