A population has a standard deviation of 50 a random sample

Assignment Help Basic Statistics
Reference no: EM13584891

A population has a standard deviation of 50. A random sample of 100 items from this population is selected. The sample mean is determined to be 600. At 95% confidence, the margin of error is:

a. 5

b. 9.8

c. 650

d. 609.8

Reference no: EM13584891

Questions Cloud

In order to determine an interval for the mean of a : in order to determine an interval for the mean of a population with unknown standard deviation a sample of 61 items is
Newcomer company has credit sales of 18 million dollars on : newcomer company has credit sales of 1.8 million dollars. on december 31 2008 the companys allowance for doubtful
We will discuss in class and our conferences will ask you : using the internet access the sec 10-k annual report for a publically traded company of your choice. the company must
Draw the cash flow diagram for each alternative which : johan products ltd. is using a model 400 shaping machine to make one of its products. the company is expecting to have
A population has a standard deviation of 50 a random sample : a population has a standard deviation of 50. a random sample of 100 items from this population is selected. the sample
Baxter incorporated manufactures and sells heating and air : baxter incorporated manufactures and sells heating and air conditioning units for large industrial buildings and uses.
Northwood company manufactures basketballs the company has : northwood company manufactures basketballs. the company has a ball that sells for 36. at present the ball is
As the number of degrees of freedom for a t distribution : as the number of degrees of freedom for a t distribution increases the difference between the t distribution and the
The inefficiency of international companies having to : the following comments were made at an anual conference of the financialexecutves institute feithere is an irreversible

Reviews

Write a Review

Basic Statistics Questions & Answers

  Average rate charged by credit cards

Test the financial analyst's belief that the average rate charged by credit cards with monthly fees is less than 14%. Use a 5% significance level.

  Construct a normal probability plot

Assume that the value of X is controllable. What should be the value of X if the desired value for Y is 100. Construct a residual plot. Are the residuals random

  Probability through discrete probability distribution

What is the probability of flipping a coin 6 times and getting 4 or more heads?

  Find critical value for a right-tail test of means

using the experimental method had a mean of 29 minutes with a variance of 16 minutes. Use α = .10 for all tests.For a right-tail test of means (assume equal variances) the critical value is?

  Introduction to cohen calculation

What was the purpose of calculating a Cohen's d? When is a Cohen's d calculated? Interpret d=.90. What does it mean in this example?

  How many pounds of ground beef should be available

Pprobability is no greater than 1% that the day's supply is exhausted. How many pounds of ground beef should the manager have available for use each day?

  Probability that cpu demand of program exceed one minute

Program measured in minutes is found to follow a gamma distribution with parameters a=3 and b=2. what is the probability that CPU demand of a program will exceed 1 minute?

  Set up the hypotheses to test if the new software has a

question we are comparing two software packages one existing and one new software. ten sets of computations are run by

  When would you use a hypothesis test for the difference

When would you use a hypothesis test for the difference in two population proportions at your place of employment, in your education, or in politics?

  What is the probability of a type two error

Suppose that the actual mean value in the population is mu =120 , what is the probability of a Type II error (incorrectly accepting a false null hypothesis)?

  Hypothesis testing concept

A sample of approx 25 students enrolled in the university points out that X (bar) = $315.4 and s = $43.20.

  Calculation of normal probability

The average number of customer complaints at the Full Moon Motel is five per day. Find the probability that on a typical day, the motel will receive

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