What is the expected value for the number of parents

Assignment Help Basic Statistics
Reference no: EM131416228

In 2004, 70% of children in the United States were living with both parents, 23% were living with mother only, 3% were living with father only, and 4% were not living with either parent (https://www.census.gov/prod/2008pubs/p70-114.pdf, p. 4).

a. What is the expected value for the number of parents that a randomly selected child was living with in 2004?

b. Does the concept of expected value have a meaningful interpretation for this example? Explain.

Reference no: EM131416228

Questions Cloud

Position of a nation long-run aggregate supply curve : Suppose that the position of a nation's long-run aggregate supply curve has not changed, but its long-run equilibrium price level has increased. Which of the following factors might account for this event? (See page 232.)
Whether gambler wins or loses or continues rolling the dice : For instance, craps is a game in which two dice are rolled and the sum of the dots on the two dice determines whether the gambler wins, loses, or continues rolling the dice.
How much should it charge each person for insurance : If the insurance company wants to make a net profit of $10 per policyholder for the year, how much should it charge each person for insurance? Ignore administrative and other costs.
School to prison pipeline : Find three (3) individuals from the population that you are addressing. If you have a broad topic, find someone experienced in the field.  Use the information you have gathered thus far to guide your conversations.
What is the expected value for the number of parents : What is the expected value for the number of parents that a randomly selected child was living with in 2004?- Does the concept of expected value have a meaningful interpretation for this example? Explain.
What would be the lowest price : A buyer values a house at $525,000 and a seller values the same house at $485,000. If sales tax is 8% and is levied on the seller, then what would be the lowest price that the seller would be willing to sell at?
Is the expected value ever equal to the actual commute time : What is the expected value of the time it takes you to commute?- Is the expected value ever equal to the actual commute time? Explain.
What sort of information about your products might you gain : What sort of information about your products and services might you gain from warranty records and customer service records? How would you use this information?
Marginal social benefits curve for crude oil : Suppose the marginal social benefits curve for crude oil is MSB = 60 - 0.6Q and the marginal total cost curve is MTC = 20 + 1.4Q, where Q denotes the dynamically efficient quantity of barrels to be extracted from an Albertan oil field (in millions..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find the probability of choosing two green balls

If you draw a ball, record the color then draw a second without replacing the first ball, what is the probability of choosing two green balls?

  Identify the probability of certain line

Identify the space of results of an observation of 2 consecutive minutes and identify the probability of certain line be free if in the last minute was free.

  Job satisfaction as the typical professor

Does this mean it is safe to conclude that the typical lawyer has about the same amount of job satisfaction as the typical professor?

  Write an expression for total cost

How many cars, instructors, and students to have. Costs are estimated - Write an expression for total cost.

  Calculate the interquartile range

Calculate the interquartile range and construct the less then give

  Evaluate the character amanda for the themes

Explanation of Character Reports and how to determine your character and topic assignments for each play. For your assigned character and topic from The Glass Menagerie, complete the following in 200 words:

  What is the probability that a occurs

a. What is the probability that A occurs? (Round your answer to 2 decimal places.) b. What is the probability that B2 occurs? (Round your answer to 2 decimal places.)

  You are evaluating two portfolios for your personal

you are evaluating two portfolios for your personal investment on the basis of their return.portfolio as yearly return

  Computer ouput for a regression analysis

Shown below is computer ouput for a regression analysis relating Y (demand in units) and X (unit price).

  Two squares and square of binomial

Give an example of a single polynomial with degree 3, whose value is 4 when the variable is equal to 1. Give an example of a single polynomial with degree 3, whose value is 29 when the variable is equal to 2.

  The parameter of the poisson distribution

With reference to Exercise 9, use Table II of "Statistical Tables" to find values corresponding to k0.025 and k'0.025to test the null hypothesis λ = 3.6 against the alternative hypothesis λ  3.6 on the basis of five observations. Use the 0.05 level o..

  What is the probability that last year winner will repeat

The probability is 0.60 that a famous Nigerian distance runner will enter the Boston marathon. If he does not enter, the probability that last year's winner will repeat is 0.66, but if he enters, the probability that last year's winner will repeat..

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