Population proportions of wrist injuries

Assignment Help Basic Statistics
Reference no: EM1387189

A study of injuries to in-line skaters used data from the National Electronic Injury Surveillance System, which collects data from a random sample of hospital emergency rooms. The researchers interviewed 161 people who came to emergency rooms with injuries from in-line skating. Wrist injuries (mostly fractures) were the most common.

A plus four 95% confidence interval for the difference between the two population proportions of wrist injuries is:

A. 0.2909 ± 0.1674.

B. 0.2909 ± 0.1069.

C. 0.2909 ± 0.0907.

D. 0.2909 ± 0.1275

Reference no: EM1387189

Questions Cloud

Define the decision variables and write the linear program : Define the decision variables and write the linear program appropriate for maximizing monthly profit contribution.
Explain us supreme court-s reaction bribery of internal : Explain what was U.S. Supreme Court's reaction to case where business executive was found guilty of aiding and abetting in bribery of Internal Revenue Service Agent.
Explain why profit fluctuates from year to year : Explain why profit fluctuates from year to year even though the number of units sold, the selling price and the cost of structure remain constant.
The present market value of brimstone stock : The present market value of Brimstone's stock is $20. Show illustrate what the balance sheet will look like (comparison to above) if Brimstone declares a 10% stock dividend.
Population proportions of wrist injuries : A plus four 95% confidence interval for the difference between the two population proportions of wrist injuries is: A. 0.2909 ± 0.1674. B. 0.2909 ± 0.1069. C. 0.2909 ± 0.0907. D. 0.2909 ± 0.1275
Inhibition of carbonic anhydrase : Determine what impact would an inhibition of carbonic anhydrase have on, Osteoclasts, parietal calls, erythrocytes, epithelial cells of proximal tubules?
Demand is normally distributed with a standard deviation : Chicago's Hard Rock Hotel distributes a mean of 1,000 bath towels per day to guests at the pool and in their rooms. This demand is normally distributed with a standard deviation of 100 towels per day
Explain why it is reasonable under the principles of success : draft a valid non-compete agreement which can be used by the parties should Bobswell part ways with the corporation. Explain each clause and explain why it is reasonable under the principles of a successful non-compete agreement.
How to change content in order for new list : To what kind of list would you change it? What would you require to change about content in order for new list type to be effective for purpose of list?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining corresponding p-value

The test statistic for a two-sided significance test for a population mean is  z = -2.12. What is the corresponding  P -value?

  To perform two sample z test

At the .05 level of significance, can we conclude the Middletown students stayed in their districts less time than the Brockton students? Use the five-step hypothesis testing procedure.

  Allocating a random variable

Determine the probability that employee will make 28 or more sales during 100-call shift? Allocate a Random Variable x.

  Regression equation and prediction

CPI and Subway Fare Find the best predicted cost of subway fare when the consumer Price Index (CPI) is 182.5 (in the year 2000).

  Hypothesis and two-tailed decision rule for right mean

Set up hypothesis and two-tailed decision rule for right mean using 5% level of significance. Hypothesis for a two-tailed decision is?

  Determining sample size using cofident

How large sample size must be taken to be 95% confident.

  Develop a two-month moving average for this time series

To develop 3-month and 2-month moving average for the time series.The following data represents demand for company ABC's products for the last 10 months.

  Regression model

The average number of putts per hole for each player and their average driving distance is used to predict their total winnings using the multiple regression model where the deviations εI are assumed to be independent and Normally distributed with..

  Determining probability that employee smokes

If employee is chosen at random, determine these probabilities.The Employee smokes, The employees smokes, given that he/she graduated from college.

  To test the claim using one mean t test

At the 5 percent level of significance, does this sample prove a violation of the guideline that the average patient should pay no more than $250 out-of-pocket? State your hypotheses and decision rule.

  P-value to test hypotheses

P-value to test hypotheses,

  Effective probability for drug

What is the probability that the drug will be effective for 3 hours or more?

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