The average price of those 40 books was 6500 with variance

Assignment Help Mathematics
Reference no: EM13471129

A sample of 35 textbooks was taken from the TCU bookstore. The average price of the books was $52.50 with a standard deviation (S) of $5.10. Forty textbooks were sampled from the SMU bookstore. The average price of those 40 books was $65.00 with a variance (S2) of $18.06. Calculate a 90% confidence interval for the difference in the average prices for the two stores. Explain your findings.

Reference no: EM13471129

Questions Cloud

Aerage weight of 1011 pounds with standard deviation s of : bendix fertilizer company has two plants-one in la and the other in atlanta. recent customer complaints suggest that
Describe the various methods by which bartlett might : power networks has been hired as a consultant to bartlett inc. bartlett has a single site located in toledo ohio with
Compute 95 con- fidence interval for difference between two : two car models are tested for a difference in average gas mileage. ten cars of model a averaged 32.1 miles per gallon
Recommend a network to accommodate the office locations : power networks has opened offices in toledo columbus and cleveland. the corporate headquarters are located in toledo.
The average price of those 40 books was 6500 with variance : a sample of 35 textbooks was taken from the tcu bookstore. the average price of the books was 52.50 with a standard
Write functionnbspfnbspas set of ordered pairs is this : consider a functionnbspf whose domain is the set of favorite sports watched on tv and whose range is the number of
Previous to the present network set-up your friends shop : your friend has a small design shop with windows nt 4.0 windows 2000 and windows xp workstations. he has one older
Show by applying the limit test that each of the given is : show by applying the limit test that each of the following is true.a the functions fn nn-12 and gn n2 grow
What is suitable label for each axis y axis x axis find x : we often use graphs of recent data to project the changes in future data. the following is the graph of a cars value.

Reviews

Write a Review

Mathematics Questions & Answers

  The probability of a bit error in a memoryless binary

The probability of a bit error in a memoryless binary symmetric communication channel is 10^-3. Find the probability of a block of 1000 bits

  Standard deviation for the coin variable

Give the mean and standard deviation for the coin variable and compare these to the mean and standard deviation for the binomial distribution that was calculate in question 5. explain how they are related. mean=np, standard deviation

  Find the dimensions of the aquarium

The base of an aquarium with volume V = 220 is made of slate and the sides are made of glass. If slate costs five times as much (per unit area) as glass, find the dimensions of the aquarium that minimize the cost of the materials.

  Explain the mathematical relationship between fracturing

explain the mathematical relationship between fracturing and earth

  Find the bearing of the plane

A plane is heading due south with an airspeed of 288 mph. A wind from a direction of 58° is blowing at 20 mph. Find the bearing of the plane.

  How many different id badges are possible

at the ACE security company, each ID badge has 3 letters which appear consecutively and alphabetically in order, followed by 3 digits from 1 through 7 with no repitition and in any order. How many different ID badges are possible?

  Declaration and payment of the stock dividend

Wiiand Corporation has 50,000 shares of $10 par value common stock outstanding. It declares a 10% stock dividend on december 1 when the market value per share is $16.

  Find the derivative of the given function

Find derivatives of the given functions using differentiation rules and find the derivative of the given function

  How many different selections can a customer make

An auto manufacturer has 3 different subcompact cars in the line. Customers selecting one of these cars have a choice of 3 engine sizes, 4 body styles, and 3 color schemes. How many different selections can a customer make?

  Which scale will allow her to make the tallest model

A building is 282 feet tall. For a class project, Kari is to make a scale model of the building to place in the front hall display case. The display case is 22 inches tall. Which scale will allow her to make the tallest model that will fit in the ..

  Determine whether the function has an inverse

Determine whether the function has an inverse. If it does find it's inverse.

  State how many times the ratio at the beginning of the year

United States imports increased 20 percent and exports decreased 10 percent during a certain year, the ratio of imports to exports at the end of the year was how many times the ratio

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