Find confidence interval for population standard deviation

Assignment Help Mathematics
Reference no: EM13206191

Find confidence interval for population standard deviation, assuming population has a Normal distribution for the following: College student's annual earnings: 98% confidence, n = 9, Xbar ( sample average) = 3211, and s ( sample std. Dev.) = $897

Reference no: EM13206191

Questions Cloud

Happened to outgassed water vapor on venus : Which of the following best explain what we think happened to outgassed water vapor on Venus?
State values of pressure and temperature for zinc : Give some values of pressure and temperature at which you are sure that the substance called zinc exists in an equilibrium state as a) solid and b) vapor
What is the length and the width in inches : the perimeter of a rectangle is 202 inches the length execeeds the width by 81 inches. what is the length and the width in inches.
Define difference between human capital and physical capital : According to Keynes, in order to get the economy out of a recession, the government should plan for a budget deficit encourage firms to export to other nations, thereby jump-starting the economy follow an expansionary monetary policyfollow a contract..
Find confidence interval for population standard deviation : Find confidence interval for population standard deviation, assuming population has a Normal distribution for the following: College student's annual earnings: 98% confidence, n = 9, Xbar ( sample average) = 3211, and s ( sample std. Dev.) = $897
What is the rate of each bus : Two buses leave towns apart at the same time and travel toward each other. One bus travels slower than the other. If they meet in hours, what is the rate of each bus?
What was the rate increase : The electricity costs of a business increased from $15,000 one year and $16,000 the next. To the nearest whole percent, what was the rate increase?
What is the marginal product of the eight worker : A California asparagus farmer is maximizing profit. The price of asparagus is $2 a box, a farm worker's wage rate is $12 an hour, and the asparagus farm employs six workers. If, when the price of asparagus increases to $3 a box,the farm hires eigh..
How many different passwords start with the letter z : A computer password consist of any five capital letters from the ordinary english alphabet. How many different passwords start with the letter z?

Reviews

Write a Review

Mathematics Questions & Answers

  What are the dimensions that minimize cost

A rectangular garden is going to be fenced in as shown below to enclose 112ft squared. if the outside fence costs $3 per foot and the interior costs $1 per foot, what are the dimensions that minimize cost.

  Conic surfaces and surface integrals

Let S be the conic surface z = 3 sqrt (x^2 + y^2), where z is greater than or equal to 0 and less than or equal to 3. Find (double integral over S) z dS.

  Volume by integration for involving along x-axis

Computer analysis showed that the surface of a certain drumlin can be approximated by y= 10(1-0.0001x^2) revolved 180 about the x-axis from x= -100 to 100.

  What is the volume of the remaining ring

A manufacturer drills a hole through the centre of a metal sphere of radius 5cm. The hole has radius 3cm. What is the volume of the remaining ring?

  Find a general equation for the plane

Find a vector in R5 which is not a linear combination and find a vector equation for the line through the points

  What is the limit definition of derivative

What is the limit definition of derivative? How can we use it to find a derivative?

  Explain why an abelianization fo g is unique

Explain why an Abelianization fo G is unique up to isomorphism. Construct an Abelianization of G as follows: Let G' be the subgroup fo G generated by all commutators [x,y] = xyz^-1 y^-1, where x, y are real members of G.

  Determine the value of c that makes the function

Determine the value of c that makes the function f(x,y)=c(x+y) a joint probability mass function over nine points with x=1,2,3 and y=1,2,3

  Applications of fourier transform

Define a Fourier Transform. What are its properties and application areas ? Describe its application in signal processing.

  What is the distance in terms of the tiime elapsed

jason leaves Detroit at 2pm and drives at a constant speed west along I-96. He passes Ann Arbor, 40 miles from Detroit, at 2:50 pm. What is the distance in terms of the tiime elapsed.

  State how many different passwords can be formed

How many different passwords can be formed? b) How many different passwords have no repeated number or letters?

  Approximate age of artifact using carbon decay

A is the amount of material remaining from an initial amount I at a given time t and k is negative constant determined by the nature of the material.

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