How many unmarried men is it plausible to get

Assignment Help Basic Statistics
Reference no: EM131412129

Use the completed chart to answer these questions.

a. According to the 1990 U.S. Census, about 30% of people aged 25 to 44 live alone. In a random sample of 40 people aged 25 to 44, would it be plausible to get 20 who live alone?

b. We select a random sample of size 40 and get a sample proportion of 0.90 successes. Is this sample proportion plausible if the population has 75% successes?

c. According to the 1990 U.S. Census, about 80% of men aged 20 to 24 have never been married. In a random sample of 40 men aged 20 to 24, how many unmarried men is it plausible to get? What proportion of unmarried men is it plausible to get?

d. Suppose you flip a coin 40 times; how many heads is it plausible for you to get? e. In the 1992 presidential election, Bill Clinton got 43% of the vote. In a random sample of 40 voters, what is the largest proportion of people who voted for Clinton that it is plausible to get? the smallest?

Reference no: EM131412129

Questions Cloud

Unacceptable for external financial reports : Why is the ABC described in the reading this week, unacceptable for external financial reports? In what fundamental ways does ABC differ from traditional costing methods, such as those described in Chapter 4?
Creating a presentation on wireless attack methods : Design your presentation for nontechnical users, but be sure you can answer any technical questions that might come up.
What did the question mean : What did the question mean? Why was it important for you to get it right? (It's possible that you no longer regard the question as important - reflect on that!)
What is the purchase price for the annuity : At the end of each month for the next ten years you will receive cash flows of $75. If the interest rate is 7.2%, compounded monthly (i.e., the APR is 7.2%), what is the purchase price for the annuity?
How many unmarried men is it plausible to get : According to the 1990 U.S. Census, about 80% of men aged 20 to 24 have never been married. In a random sample of 40 men aged 20 to 24, how many unmarried men is it plausible to get? What proportion of unmarried men is it plausible to get?
Calculate expected returns for the individual stocks : Calculate expected returns for the individual stocks in Tyler's portfolio as well as the expected rate of return of the entire portfolio over the three possible market conditions next year.
What percentages are plausible : Suppose that a random sample of 40 toddlers finds that 34 know what color Barney is. What is the 90% confidence interval for the percentage of toddlers who know what color Barney is?
How do these volunteers fit into an organizations structure : What do you think about using volunteers to do work that other people get paid to do - If you were in Nlarlt Studness's ptfltitm, what would you be most concerned about in this arrangement? How would you manage that concern?
Research ways to implement security for handheld devices : Select three of the best practices, and then search online for products that you can use to implement these practices. Identify three different products that can enforce one best practice each.

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  Model the state of system as a ctmc

A shock can cause the failure of component 1 alone with probability p, component 2 alone with probability q, both components with probability r, or have no effects with probability 1-p-q-r. Suppose no repairs are possible and the system fails when..

  The annual assets for first michigan corporation is

the annual assets for first michigan corporation is aproximately normally distributed with standard deviation 50. the

  Calculate corrected mean and corrected standard deviation

Calculate the corrected mean and corrected standard deviation.

  Identify the values the random variable can assume

The following examples are experiments and their associated random variables.  In each case identify the values the random variable can assume and state whether the random variable is discrete or continuous:

  Hypothesis testing for difference between two means

A month of sales data are collected on sales of different types of computer products Run the t-tests to determine:

  A moderate correlation between peoples scores

If you were going to conduct the study again, what could you do to provide a more powerful test of your hypothesis?

  Capital punishment law-null and research hypotheses

Capital punishment law is among the most complex bodies of law in the US. As a result of frequent errors, the Trial Judges Assn. has developed a special training course to try to cut down on the errors.

  How accurate has the forecast been

How accurate has the forecast been? Do you think this difference matters to a beach town? Can you develop a forecasting system model that may be more accurate?

  Show that for normal distributions

With reference to Exercise 39, show that for normal distributions κ2 =σ2 and all other cumulants are zero.

  A delegation of 3 is selected from a city council made up

a delegation of 3 is selected from a city council made up of 4 liberals and 5 conservatives. what is the expected

  Description of queuing theory

What is the probability that no requests for assistance are in the system? What is the average number of requests that will be waiting for service? What is the average waiting time in minutes before service begins?

  Perform all of the steps of a two-tailed test of whether

in a sample of 30 elves the correlation between years of employment and cookie productivity was found to be -0.25.a

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