Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Find the statistical difference between two proportions.

Let p1=100 and n1=500; and p2=200 with n2=500. Test whether there is a statistical difference between the two proportions at the 5% significance level.

i. The difference is not statistically different.
ii. The difference is statistically different.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921755

Have any Question? 


Related Questions in Statistics and Probability

When conducting a hypothesis test if z calculated is less

When conducting a hypothesis test, if z calculated is less than z critical, you should accept the null hypothesis?

The annual commissions earned by sales representatives of

The annual commissions earned by sales representatives of Machine Products, Inc. a manufacturer of light machinery, follow the normal probability distribution.  The mean yearly amount earned is $40,000 and the standard d ...

Please explain every step to make the sum understandableit

Please explain every step to make the sum understandable. It has been hypothesized that the distribution of seasonal colds in Canada is as follows: Season          Percentage Fall                    35% Winter            ...

1 why do researchers use factor analysis2 imagine that you

1. Why do researchers use factor analysis? 2. Imagine that you conducted a factor analysis on a set of variables that were uncorrelated with one another. How many factors would you expect to find? Why?

The amount of time people spend in a clothing store is

The amount of time people spend in a clothing store is normally distributed with a mean of 18 mins and SD of 4 mins. If a sample of 20 customers is randomly selected. what is this probability they will spend more than 20 ...

A national survey of 40000 adults in the us in 1992 found

A national survey of 40,000 adults in the US in 1992 found that 26% of adults were current smokers. A similar survey of 37,000 adults in the US in 1966 found that 43% of adults were current smokers. Construct a 95% confi ...

1 under what conditions is the median a more meaningful

1. Under what conditions is the median a more meaningful measure of central tendency than the mean? 2. Why do researchers prefer the standard deviation as a measure of variability over the range?

1 what are the most common causes of missing data and what

1. What are the most common causes of missing data, and what difficulties do missing data cause? What can be done if data are missing? 2. Comment on the circumstances under which a researcher would consider deleting one ...

A spinoff of the anti-war and civil rights movements of the

A spinoff of the anti-war and civil rights movements of the 1960s that affected women was? increased desire to return to the security of homes and families decreased political involvement. the birth of the women's libera ...

A machine used to fill gallon-sized paint cans is regulated

A machine used to fill gallon-sized paint cans is regulated so that the amount of paint dispensed has a mean of 138 ounces and a standard deviation of 0.40 ounce. You randomly select 45 cans and carefully measure the con ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro