Two different simple random samples are drawn from two different populations. The first sample consists of 20

Question:

Two different simple random samples are drawn from two different populations. The first sample consists of 20 people with 10 having a common attribute. The second sample consists of 2000 people with 1404 of them having the same common attribute.

1. Perform a hypothesis test of p1 = p2 with a 5% significance level (95% confidence level).

2. Obtain a 95% confidence interval estimate of p1 - p2. Do you come up with the same conclusion for Question 21? Why or why not?

95% confidence interval estimate of p1 - p2is,

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Elementary Statistics

ISBN: 9780321836960

12th Edition

Authors: Mario F. Triola

See More Books

Question Posted: Aug 05, 2013 04:15 AM

See More Questions

How many different simple random samples of size 8 can be obtained from a population whose size is 55?
How many different simple random samples of size 7 can be obtained from a population whose size is 100?
Random samples are drawn independently from two normally distributed populations, and the following statistics are obtained: Group 1 Group 2 n1=24 n2-21 X=262.4 X2=266.2 si=216.1 = 357.2 (The first...
In this study researchers found a correlation between the cleanliness of the homes children are raised in and the years of schooling completed and earning potential for those children What...
Two identical pumps have the characteristic curves shown in Figure 5.13, which are shown in the following table. The pumps are connected in series and deliver water through a 40 cm-diameter,...
The article from which the data in Exercise 1 was extracted also gave the accompanYing strength observations for cylinders: Prior to obtaining data, denote the beam strengths by X1,..., Xm and the...
Histogram or stemplot? Explain why we prefer a histogram to a stemplot for describing the returns on 1528 common stocks.
Stocks A and B have the following historical returns: a. Calculate the average rate of return for each stock during the 5-year period.b. Assume that someone held a portfolio consisting of 50% of...
Joanna received $ 7 3 , 2 0 0 compensation from her employer, the value of her stock in ABC company appreciated by $ 1 1 , 0 0 0 during the year ( but she did not sell any of the stock ) , and she...
The management of the just Like Home restaurant has asked you to analyze some of its processes. One of these processes is making a single-scoop ice cream cone. Cones can be ordered by a server (for...
There are 3600 apples in a shipment. The weight of the apples in this shipment is normally distributed. It is found that it a mean weight of 14 ounces with a standard deviation of 2.5 ounces. 1. How...
What is the difference between flow, stock, and concentration statistics? How is each type of statistic used?
What happened in the United Kingdom in June 2016 and why is the event important for the accounting items covered in this chapter?
firm c has net income of 45,360 , asset turnover of 1.4 and roi 12.6% calculate firms margin,sales and average total assets
A poll of 1065 Americans showed that 47.2% of the respondents prefer to watch the news rather than read or listen to it. Use those results with a 0.10 significance level to test the claim that fewer...
Garcia Industries uses a cost system that carries direct materials inventory at a standard cost. The controller has established these standards for the cost of one unit: Standard Quantity X Standard...
Express the confidence interval 0.255 0.046 in the form of p-E
5 28 its Jay Oullette, CEO of Bumper to Bumper Incorporated, anticipates that his company's year-end balance sheet will show current assets of $12,801 and current liabilities of $7,540. Oullette has...
Briefly explain the role of the following: a The money markets b The bond markets c The foreign exchange markets d The share markets e The derivatives market.
Graph the following conic sections, labeling vertices, foci, directrices, and asymptotes (if they exist). Give the eccentricity of the curve. Use a graphing utility to check your work. 10 5 + 2 cos 0
Because John was so happy that Dana had agreed to become his fiancee, on February 2, 2019, he gave Danas mother, Ethel, $15,000 in cash. a. Does this gift qualify for gift-splitting? b. Does this...
Orchard Company completed its first year of operations on December 31, 2012. Its initial income statement showed that Orchard had revenues of $198,000 and operating expenses of $83,000. Accounts...
The 2009 income statement for McDonalds Corporation shows cost of goods sold $5,178.0 million and operating expenses (including depreciation expense of $1,216.2 million) $10,725.7 million. The...
The 2012 accounting records of Pape Transport reveal these transactions and events. InstructionsPrepare the cash flows from operating activities section using the direct method. Payment of interest...
crane Inc. common chairs currently sell for $30 each. The firms management believes that it's share should really sell for $54 each. If the firm just paid an annual dividend of two dollars per share...
Determine the simple interest earned on $10,000 after 10 years if the APR is 15%
give me an example of 10 transactions from daily routine that we buy and put for me Liabilities + Owners' Equity + Revenues - Expenses

Two different simple random samples are drawn from two different populations. The first sample consists of 20

Question:

Step by Step Answer:

1 Here p 1 1020 05 n 1 20 p 2 14042000 0702 n 2 2000 Test Statistic 179923 ...View the full answer

Elementary Statistics

Students also viewed these Finance questions