A blood-donor program

Assignment Help Mathematics
Reference no: EM13510291

Among college-age students (18-24 years old), 9.2% have hypertension. During a blood-donor program conducted during finals week, a blood-pressure reading is taken first, revealing that out of 200 donors, 29 have hypertension. All answers to three places after the decimal.
A 95% confidence interval for the true proportion of college students with hypertension during finals week is ( , ).
We can be 80% confident that the true proportion of college students with hypertension during finals week is with a margin of error of .
Unless our sample (of 200 donors) is among the most unusual 10% of samples, the true proportion of college students with hypertension during finals week is between and .
The probability, at 60% confidence, that a given college donor will have hypertension during finals week is , with a margin of error of .
Assuming our sample of donors is among the most typical half of such samples, the true proportion of college students with hypertension during finals week is between and .
We are 99% confident that the true proportion of college students with hypertension during finals week is , with a margin of error of .
Assuming our sample of donors is among the most typical 99.9% of such samples, the true proportion of college students with hypertension during finals week is between and .
Covering the worst-case scenario, how many donors must we examine in order to be 95% confident that we have the margin of error as small as 0.01?
Using a prior estimate of 15% of college-age students having hypertension, how many donors must we examine in order to be 99% confident that we have the margin of error as small as 0.01?

Reference no: EM13510291

Questions Cloud

How can chemex protect itself against transaction exposure : Can Chemex eliminate its operating exposure by hedging its position every time it makes a foreign sale or by pricing all foreign sales in dollars? Why or why not?
How should nissan respond in this situation : Suppose that on November 1, the U.S. Federal Reserve intervenes to rescue the dollar, and the exchange rate adjusts to ¥220:$1 by the following July. What problems and/or opportunities does this situation present for Nissan and for General Motors?
How has work and labor changed historically : How has work and labor changed historically? Why has it become a "social problem"? What is de-industrialization? What is a service economy? Describe the major aspects of service sector jobs and how they have changed the lives of workers in the Unit..
Calculate input current and voltage are needed : A step-up transformer has 30 turns on the primary coil and 800 turns on the secondary coil. what input current and voltage are needed
A blood-donor program : Among college-age students (18-24 years old), 9.2% have hypertension. During a blood-donor program conducted during finals week, a blood-pressure reading is taken first, revealing that out of 200 donors, 29 have hypertension. All answers to th..
Prepare a memorandum in january 2005 for circulation : Calculate the amount that will be reflected on the group income statement of Winter Ltd for the 2004 financial year end for equity accounting of associates. Comparative figures are not required. Show all workings.
What are the airplanes kinetic and potential energy : An airplane having a mass of 10000kg and moving at 200mph is at an altitude of 15000m. What are the airplanes kinetic and potential energy
What was the economic rationale behind jal hedges : Did JAL's forward contracts constitute an economic hedge? That is, is it likely that JAL's losses on its forward contracts were offset by currency gains on its operations?
Determine the initial speed of the ball : A ball rolls off the edge of a table with a horizontal velocity v m/s. What is the initial speed of the ball

Reviews

Write a Review

Mathematics Questions & Answers

  Find the unpaid balance after 351 months

A mortgage at 9% interest compounded monthly with a monthly payment of $1125 has an unpaid balance of $10,000 after 350 months. Find the unpaid balance after 351 months.

  What is the smaller deminsion

a rectanlgar playground is to be fenced off and divided into 2 by another fence parallel to one side of the playground. 480 feet of fencing is used. find the deminisons of the playground that maximizes the total enclosed area. what is the maximum ..

  In what year will they surpass the half million dollar mark

Mountain view Gifts is experiencing constant growth. They recorded a total of $250,000 in sales in 2003 and $285,000 sales in 2008. in what year will they surpass the half million dollar mark?

  Estimate federal funding for hiv

Use a table of values to estimate the year in which federal funding for Hiv/Aids research reached $18.5billion.ails as possible.

  Explain what is the value of the stock

A common Stock pays an annual dividend per share of $1.60. The risk-free rate is 5 percent and the risk premium for the stock is 4 percent. If the annual dividend is expected to reemain at $1.60 per share, What is the value of the stock?

  State the arc to the horizontal chord joining endpoints

The centroid C shown in figure 6.6.14(shows an upside down triangle centered on the y axis topped the an arc "h" high) appears to lie about one-third of the way from the arc to the horizontal chord joining its endpoints

  Fuzzy logic and truth values

Truth Values that are between 0 and 1 indicate varying degrees of truth. For instance, the truth value 0.8 can be assigned to the statement "Bob is happy," because Bob is happy most of the time

  Volume of solid of revolution by integration

The region R is bounded by the graphs of x-2y = 3 and x=y^2. Set up (but not evaluate) the integral that gives the volume of the solid obtained by rotating R around the line x=-1.

  Delta systems the element cesium

Chemistry: Delta Systems The element cesium (Cs) freezes at 28.4?, and its molar enthalpy heat of fusion is AHfus=2.09 Kj/mol

  Find digit probability

Digit probability A young girl gave a young man her phone number during a hurried parting. The young man remembers the 7 digits of her phone number

  Permutations in probability

There are 10 workers and 2 administrators in a company meeting room. Two people will be selected at random without replacement. The chance that the second person is a worker is:

  How far is the sailboat from the lighthouse

How far is the sailboat from the lighthouse, to the nearest kilometer? (50 kilometers going up and down and 130 kilometers going side to side)

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