Calculate a confidence interval

Assignment Help Basic Statistics
Reference no: EM13490262

Use the t-Table "The t-Table" for reference.

  • Calculate a 95% Confidence Interval for the following samples:

=450, N=200, σ=100
=105, N=50, σ=15
= 19, N = 17, s = 5
= 8, N = 40, s = 1.6
= 8.35, N = 30, s = 1.59

  • Calculate a 99% Confidence Interval for the following samples:

=525, N=110, σ=100
=305, N=85, σ=50
= 19, N = 17, s = 5
= 15, N = 60, s = 2.25
= 25.43, N = 50, s = 5.15

 

Reference no: EM13490262

Questions Cloud

An experimental drug for toe-nail fungus : A doctorhas developed an experimental drug for toe-nail fungus. He needs to test it out on some people to make sure it works. He has a list of 2000 people who could be potential subjects in his study. 1120 of these potential subjects have toe ..
What is the probability : What is the probability that a home has a garage but not a swimming pool?
Russia is well known to be amongst the most adroit nations : Part A: Russia is well known to be amongst the most adroit nations at manipulating public opinion in other countries via its foreign influence operations. A Russian SVR agent has 45 million dollars
Spread disinformation and to promote anti-american propagand : A Russian SVR agent has 45 million dollars which he can spend to bribe academics, politicians, and bloggers to spread disinformation and to promote anti-American propaganda
Calculate a confidence interval : Calculate a 95% Confidence Interval for the following samples
Determine the shortest period this system can have : A 2.40 bucket containing 11.5 of water is hanging from a vertical ideal spring of force constant 115 and oscillating up, What is the shortest period this system can have
Compare the answers with the original plans : Suppose 200,000 units are sold, but only 20,000 are deluxe.  Compute the operating income.  Compute the breakeven point if these relationships persist in the next period.
Determine the average power radiated by the source : A source of electromagnetic waves radiates power uniformly in all directions at a single frequency. At a distance of 4.00 km from the source, What is the average power radiated by the source
Prepare a audit report of furnidex limited : Pretax discount rate applicable to FurniDex is 10% per annum. This rate was applicable to all financial reporting periods under review.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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