Find the mean variance and standard deviation for the

Assignment Help Basic Statistics
Reference no: EM13576963

Question: According to the Statistical Abstract of the United States, there are 31.1 mil­lions one-person households, 38.6 millions two-person households, 18.8 millions three-person households, and 27.5 millions four or more person households.

a) Construct a table of each value of the random variable X, the number of persons in the household, and its estimated probability or frequency.

b) Compute and interpret P(X = 3) and P(X > 4).

c) Find the mean, variance and standard deviation for the population of the number of persons per household.

Reference no: EM13576963

Questions Cloud

Suppose now we have a new random variable x 2 3y : question consider the following tableynbspnbspnbspnbspnbspnbspnbspnbsp 0nbspnbspnbspnbspnbspnbspnbspnbsp
Consider an experiment that consists of taking 1 marble : a box contains 3 marbles 1 red 1 green 1 blue. consider an experiment that consists of taking 1 marble from the box
A study at the university of colorado at boulder shows that : a study at the university of colorado at boulder shows that running increases the percent resting metabolic rate rmr in
During the past month the company purchased 6800 pounds of : topaz company makes one product and has set the following standards for materials and labordirect materialsdirect
Find the mean variance and standard deviation for the : question according to the statistical abstract of the united states there are 31.1 milshylions one-person households
A study was made to determine whether there is a difference : a study was made to determine whether there is a difference between the proportions of parents in the states of
Lt fx ae-2x - e-3x for x gt or equal to 0 and fx 0 : let fx ae-2x - e-3x for x gt or equal to 0 and fx 0 elsewhere. find a so that fx is a probability density
Construct a table of each value of the random variable x : q1. according to the statistical abstract of the united states there are 31.1 milshylions one-person households 38.6
What is the irr for a machine that costs 35000 and has a : what is the irr for a machine that costs 35000 and has a salvage value 5 years later for 20000. the machine generates

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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