Find the mean and standard deviation of sample proportion

Assignment Help Basic Statistics

Reference no: EM13126573

Assume that your county's population is similar to the American population in age distribution. What are the mean and standard deviation of the sample proportion who are at least 75 years of age in samples of 250 respondents?

Reference no: EM13126573

Questions Cloud

Elimination and substitution methods : Solve the following system of equations using the Substitution method: Solve the following system of equations using the elimination method:

Identify the transaction-related audit objective : Examine duplicate copy of shipping documents for evidence that quantities were verified before shipment.

Calculate the amount of heat needed : Calculate the amount of heat needed to boil benzene (C6H6), beginning from a temperature of 6.7 degrees celcius.

Create a appropriate journal entry to record income taxes : A company reports pretax accounting income of $11.5 million, but because of a single temporary difference, taxable income is only $8.9 million. Create a appropriate journal entry to record income taxes.

Find the mean and standard deviation of sample proportion : What are the mean and standard deviation of the sample proportion who are at least 75 years of age in samples of 250 respondents?

How long it would take for 23% of the reactant to decompose : The half-life for a first order reaction at 550 oC is 85 sec. How long it would take for 23% of the reactant to decompose?

Purchase on income before income taxes : What would be the effect of this purchase on income before income taxes? (Leave no cells blank - be certain to select "No effect" wherever required. Omit the "tiny_mce_markerquot; sign in your response.)

Estimate current mean income : Figure out the necessary sample size to reduce sampling error to plus or minus $500. Do you need to have an estimate of the current mean income to answer this question? why or why not?

How much heat energy in calories is needed : how much heat energy in calories is needed to raise the temperture 10.0g of water 6.0C

Reviews

Write a Review

Required(*) Message

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

User Account

All Pages