User Account

All Pages

Estimate the proportion of non-grads

Assignment Help Basic Statistics
Reference no: EM131319267

It's believed that as many as 20% of adults over 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group.

a) How many of this younger age group must we survey in order to estimate the proportion of non-grads to within 6% with 90% confidence? n= __ (Round up to the nearest integer.)

b) Suppose we want to cut the margin of error to 5%. What is the necessary sample size? n = __ (Round up to the nearest integer.)

Reference no: EM131319267

Questions Cloud

Write down the entropy of the output : write down the entropy of the output, H(Y ), and the conditional entropy of the output given the input, H(Y |X).
What was the economic change in meiji japan : What was the relationship between economic change (including urbanization and industrialization) and nationalism in Meiji Japan as depicted only in the novel Sanshiro? You must specifically use Marx and Engel's Communist Manifesto or Rousseau's So..
Mature manufacturing firm-what will you pay for share today : Antiques R Us is a mature manufacturing firm. The company just paid a dividend of $7.90, but management expects to reduce the payout by 4 percent per year indefinitely. If you require a return of 10 percent on this stock, what will you pay for a shar..
Identify the risks factors that are present in david life : Identify the risks and protective factors that are present in David's life story. What information, not presented here, would be helpful to know if you were to make a more comprehensive list of risks and protections
Estimate the proportion of non-grads : a) How many of this younger age group must we survey in order to estimate the proportion of non-grads to within 6% with 90% confidence? n= __ (Round up to the nearest integer.)
Consecutive annual payments : Find the Present Value of an annuity of 10 consecutive annual payments of $10 than begin at the end of the first year with one exception; there is no payment at the end of year 5 (and only in year 5). Use an interest rate of 7%
Dividends are expected to grow : Thirsty Cactus Corp. just paid a dividend of $1.50 per share. The dividends are expected to grow at 35 percent for the next 8 years and then level off to a 8 percent growth rate indefinitely. Required : If the required return is 13 percent, what is t..
From the northern perspective -did he deserve the beating : The point of this reading is not to make you accept slavery, but to put yourself in the shoes of that southern Plantation owner like Brooks. Was he just angry because of the attack against his uncle? Or could there have been more to it?
Estimate the probability that if the company books : Estimate the probability that if the company books 158 persons. not enough seats will be available.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Business or organizational problem

Choose a business or organizational problem that you may be able to solve with Quantitative Analysis techniques.   Do a survey of literature on your topic or problem and include that in the paper (2 to 3 sources- you may use articles that are post..

  Question on hypothesis testing-confidence interval

Consider that 10 observations were selected from a normal population whose variance is 64. Observations are: 58, 62, 45, 50, 59, 65, 39, 40, 41 and 52.

  A survey is taken in which 40 randomly selected respondents

a survey is taken in which 40 randomly selected respondents aged 25-40 are asked how many biological children they

  Leadership scores for both male and female managers

Calculate the mean, median, mode, variance, and standard deviation for the numeric data and construct a histogram, pie, or Stem-Leaf Display chart encompassing the mean leadership scores for both male and female managers.

  The strength of ones immune system can be evaluated in

the strength of ones immune system can be evaluated in several ways. one of the most popular methods involves measuring

  Messages are transmitted from low speed terminals and

messages are transmitted from low speed terminals and arrive at a message concentrator at a poisson rate of 600hr.they

  Find the area under the standard normal curve which lies

find the area under the standard normal curve which lies between z 0.72 and z

  When playing a new board game you are required to roll 6

when playing a new board game you are required to roll 6 standard six-sided dice. if x is the number of 6s rolled the

  If we reject the null hypothesis what can we conclude

if we reject the null hypothesis what can we conclude subject to the ? risk?null hypothesis is falsealternative

  Find a 90 confidence interval for the difference between

the following summary data on proportional stress limits for two different type of woods red oak and douglas fir.type

  The key to the cordless elevator

Building elevators are limited to about 800 meters. Above that height, elevator cables become too thick and too heavy for practical use. One solution is to eliminate the cable.

  Find the standard error of mean for selected taxpayers

A consumer watchdog agency selects a random sample of 40 taxpayers. What is the standard error of the mean? What is the likehood the sample mean is greater than 320 minutes?

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd