Estimate the percentage of adults

Assignment Help Basic Statistics
Reference no: EM131697812

Hays Medical Center wants to estimate the percentage of adults who exercise at least 1 hour per week. How large a sample should be selected in order to estimate this proportion with a 99% confidence level and a margin of error of at most 3%? (Assume no preliminary estimate of p-hat is available.)

Reference no: EM131697812

Questions Cloud

What is the mean-standard deviation : For this set of numbers: 40 40 45 43 48 45 40 40 40 40 40 40 40 48 43 40 43 40 40 45 what is the mean, standard deviation.
Difference between the two population means : Compute the 95% confidence interval for the difference between the two population means if the sample means are 75 and 70 and the margin of error for the CI.
Create your revised nab company name : Conduct a SWOT (Strength, Weakness, Opportunity, and Threat) analysis for the type of beverage you have selected, and for your company overall.
Estimate the proportion of all fhsu students : Construct a 90% confidence interval to estimate the proportion of all FHSU students that have been to Europe.
Estimate the percentage of adults : Hays Medical Center wants to estimate the percentage of adults who exercise at least 1 hour per week. How large a sample should be selected.
Expected value and variance of the number of deliveries : What is the expected value and variance of the number of deliveries in a 700-letter group?
Scores for a common standardized college aptitude test : Scores for a common standardized college aptitude test are normally distributed with a mean of 485 and a standard deviation of 97.
What level should you set annual production : If you want to have only a 5 percent chance of running out of the drug, at what level should you set annual production?
Do eight different specific types of analytics on the data : Do eight different specific types of analytics (charts) on the data. The 8th analytic should be a dashboard of other key analytics.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Uniform distribution of random numbers

Generate three random observations from the uniform distribution between -10 and 40 by using the following random numbers:

  Difference between its upper and lower bounds

The width of an interval is half of the difference between its upper and lower bounds. The width is a measure of the uncertainty of the number specified by the interval.

  For a normal distribution find the percentage of data that

for a normal distribution find the percentage of data that are a within 1.32 standard deviations of the mean. b between

  Which test should be dropped

The class mean was 105 and the standard deviation 15. On the third exam, the mean was 45 and the standard deviation 3. Ableson got 51. Which test should be dropped?

  Minutes of the population mean

How many households must be (randomly) sampled to be 95% sure that the sample mean is within 15 minutes of the population mean? Assume that a pilot study estimated the value of σ = 35 minutes.

  Define another random variable y to be the maximum value

a pair of fair six-sided dice are tossed independently of each other.a list the sample space of this experiment.b

  Suppose that you invest the entire 200000 in one stock find

suppose that you have 200000 to invest in stocks. if you invest 1000 in any particular stock your prot will be equal in

  Estimating the mean net weight of packages of ground

A state meat inspector in Iowa has been given the assignment of estimating the mean net weight of packages of ground chuck labeled “3 pounds.” Of course, he realizes that the weights cannot be precisely 3 pounds. A sample of 36 packages reveals the m..

  What is a type i and type ii errors in hypothesis testing

What is the difference between statistical significance and practical significance? What is a type I and type II errors in hypothesis testing? What would be examples of each? Explain

  Annual productivity improvement in the prior year

Refer to Productivity improvement Problem 16.7. The economist also has information on annual productivity improvement in the prior year and wishes to use this information as a concomitant variable. The data on the prior year's productivity im..

  Sometimes the geometric random variable is defined to be

sometimes the geometric random variable is defined to be the number of trials x preceding the first success. write down

  How many would to expect to stay longer than weeks

The hospital was 12.0 weeks with the standard deviant of 1.0 week. Out of 100 patients, how many would you expect to stay longer than 13 weeks?

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