Random sample for grill owners

Assignment Help Basic Statistics
Reference no: EM13101300

In a simple random sample of 1000 households, 150 households happen to own a barbecue grill. Based on the characteristics of the population, the expected number of grill owners in the sample was 180. What are the values of pie, p, and n?

4 For a population of five individuals, television ownership is as follows:

x = Number of Television Sets Owned

Allen 2

Betty 1

Chuck 3

Dave 4

Eddie 2

a. Determine the probability distribution for the discrete random variable, x = number of television sets owned. Calculate the population mean and standard deviation.

b. For the sample size n = 2, determine the mean for each possible simple random sample from the five individuals.

c. For each simple random sample identified in part (b), what is the probability that this particular sample will be selected?

d. Combining the results of parts (b) and (c), describe the sampling distribution of the mean.

e. Repeat parts (b)-(d) using n = 3 instead of n = 2. What effect does the larger sample size have on the mean of the sampling distribution? On the standard error of the sampling distribution?

Reference no: EM13101300

Questions Cloud

Write signs and symptoms of mental illness : Explain the history or background of illness, including myths, misconceptions, and treatments of past. Write down the signs and symptoms of selected mental illness?
Define the term compound interest : Define the term compound interest. When corporations release earnings, they often include the prior year's numbers a well as the current year's. Often, the numbers are translated into percentage terms.
Determine the mass of liquid ammonia that boils : determine the mass of liquid ammonia that boils away before thermal equilibrium. Assume an excessive amount of liquid ammonia is present and that the liquid ammonia does not react with the copper.
Examine which principle would be most applicable : Additionally, compare and contrast the four principles of design and Examine which principle would be most applicable for your proposal style and budget element.
Random sample for grill owners : In a simple random sample of 1000 households, 150 households happen to own a barbecue grill. Based on the characteristics of the population, the expected number of grill owners in the sample was 180.
Determine the time interval, in hours : Assume it takes 8.00 min to fill a 25.0-gal gasoline tank. (1 U.S. gal = 231 in.3) (a) Calculate the rate at which the tank is filled in gallons per second. (Please provide numerical answer in gal/s)
Few choices and a minimum of information on the caskets : charged by many funeral homes tell customers funeral homes like having a competition or provide customers with only a few choices and a minimum of information on the caskets?
Analyzing set of patient weights and correlate incidences : Within each of your current careers/ jobs, there are sets of data that can be analyzed. For example, a teacher can use a set of test scores, a dietician can analyze a set of patient weights and correlate them to incidences of diabetes, and a sales..
Find the weight of this pyramid in pounds : The pyramid depicted in the figure contains approximately 2.20 million stone blocks that average 3.00 tons each. Find the weight of this pyramid in pounds. (Please provide numerical answer in lbs)

Reviews

Write a Review

Basic Statistics Questions & Answers

  Explaining close decision

At 5 % level of significance, does this sample prove violation of the guideline that average patient muts pay no more than $250 out-of-pocket? Is this a close decision?

  Finding annual break-even volume

Find out annual break-even volume for the Rolling Creek Textile Mill.

  Creating a mixed integer programming model

Create a mixed integer programming model for this problem.

  Estimate pearson-correlation coefficient

Four young children were monitored closely over a period of several weeks to measure how much they watched violent television programs and their amount of violent behavior toward their playmates.

  Theoretical background of one way analysis

This activity is a revision of an activity found in Real Data: A Statistics Workbook Based on Empirical Data by Z. C Holcomb (1997). Published by Pyrczak Publishing.

  Value of the critical value

Given the hypothesis Ho: u=400, you conduct a sample of 12 observations and obtain a sample mean of 407 and a sample standard deviation of 6. Using a .01 significance level to test to see if you would reject Ho, what would be the value of your cri..

  Forecasting techniques-regression moving average

Perform a linear regression, 8 month moving average & 3 month moving average forecasting technique to see which is most accurate for the new quarter 11 if quarter 11 sales are 172,000 units

  Determining the parking problem

The administration at the university of Georgia is interested in determining if a parking problem exists for their students. The administration selects a randome sample of 200 students and asks them to estimate the amount of time it took the stude..

  Standard deviation of the mean on either side

The lifetimes of light bulbs of a particular type are normally distributed with a mean of 370 hours and a standard deviation of 5 hours. What percentage of bulbs has lifetimes that lie within 1 standard deviation of the mean on either side?

  Independent poisson processes

Consider two independent Poisson processes, with arrival rates α and β, respectively. Determine: The probability q that the next three arrivals come from the same process The PMF of N, the number of arrivals from the ?rst process that occur before..

  Point estimate of the proportion of all light bulbs

206 randomly selected light bulbs were tested in a laboratory, 161 lasted more than 500 hours. Find a point estimate of the proportion of all light bulbs that last more than 500 hours.

  Probability of a positive economic trend

Determine the probability of a positive economic trend given an increasing employment. Are employment and economic trend independent?

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