User Account

All Pages

Standard error and confidence interval for proportion

Assignment Help Basic Statistics
Reference no: EM1321431

Find the Standard error and confidence interval for proportion:

A home owner claims that the current market value of his house is at least $400,000. Sixteen real estate agents were asked independently to estimate the house's value and 9 supported the homeowners claim.

a) Find the standard Error of Proportion.

b) Find the 95% confidence interval for the population proportion.

c) Find the 99% confidence interval for the population proportion.

Reference no: EM1321431

Questions Cloud

Considers a consumer who suddenly changes : Considers a consumer who suddenly changes her preferences with regard to air travel,
Determine analysis and state null and alternate hypotheses : He measures the heights of 25 men from this century and finds the mean and standard deviation for his sample.
How do nominal wage rates compare at those two points : How does the real wage rate at point c compare with the real wage rate at point a. How do nominal wage rates compare at those two points.
Critical value to test proportion of heads in die : A coin was flipped 60 times and came up heads 36 times. Determine the critical value you would use to test whether proportion of heads is greater than 0.50 at 10% level of significance?
Standard error and confidence interval for proportion : Find the 99% confidence interval for the population proportion.
Calculate the mean level of particulates in the city : Calculate the mean level of particulates in the city
Set so that each resident shares the cost evenly : If the taxes are set so that each resident shares the cost evenly (a=b=c), how so many paths will get built.
Find the standard error-margin of error-confidence interval : Derive the standard error of proportion, the margin error and the 95% confidence interval for the proportion indicating preference to flirting.
Nation of potchatoonie produces hockey pucks : The nation of Potchatoonie produces hockey pucks, cases of root beer also back rubs.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Sample size-population proportion

How many cans of paint should the sample contain if the researcher wants to be 98% certain of being within one percentage point of the true proportion of this chemical?

  Point estimate for the difference between mean

A point estimate for the difference between the mean purchases of the users of the two credit cards is:

  Calculating confidence interval

Calculate a 95% confidence interval for the population mean, based on the sample 10, 12, 13, 14, 15, 16, and 49.

  Recognizing major flaws in survey

It was reported that 20 readers responded and 87% said "no" while 13% said "yes." Recognize 4 major flaws in this survey.

  Statistical evidence regarding effectiveness of diet

Stating assumptions on which your arguments and conclusions are based, sum up the statistical evidence regarding effectiveness of this diet.

  Waiting time of customers for service normal distribution

The MacBurger restaurant chain claims that the waiting time of customers for service is normally distributed,

  Federal minimum wage

The Federal minimum wage is $7.25 (effective July 2009). If an employee earns the new minimum wage, how many complaints can that employee expect to receive?

  Z-scores based on normal distribution

Convert each of the following z intervals to x intervals.

  Explaining parameter and statistics

Explain the terms parameter and statistics. Make sure the concepts of population and sample are included in the definitions.

  Questions related to descriptive statistics

For which of the following situations is it appropriate to use a scatter diagram or scatter plot?

  Evidence of the population mean

By using the 0.10 level of significance, is there evidence that the population mean is above the $300?

  Trucks significantly having lower accident rate

Test the proportions of yellow fire trucks have a significantly lower accident rate.

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