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The American Restaurant Association collected information on the number of meals eaten outside the home per week by young married couples. A survey of 100 couples showed the sample mean number of meals eaten outside the home was 3.45 meals per week, with a standard deviation of .75 meals per week.
a) Construct a 99% confidence interval for the population mean.
b) How would the interval change if you lowered the confidence level from 99% to 95%?
How much production capacity should the manufacturer reserve for the last day?
Let N be number of heads obtained on the ten flips. Determine: If you win $1 each time a head appears and you lose $1 each time a tail appears, is this fair game? Describe.
diamonds are classified according to carat weight clarity color and cut. the color of a diamond is classified as d e f
Two sample z-test for the difference between two population proportions
broke amp down has several hundred machines in its large manufacturing facility as it uses the pwp concept
a supply a suitable definition of a non-homogenous compund poisson process xt t in 0 infinity b does xt have
A professor want to know how students feel about gun control, so he surveys his students asking %60Are you in favor or opposed to gun control.%60 All of his students respond. What is the major source of possible bias in this study?
In the study of fingerprints, an important quantitative characteristic is the total ridge count for the 10 fingers of the individual.
When do you use a one-tailed test? How do you find the critical values for one-and two tailed tests? When do you reject the null hypothesis? Under what circumstances is the null accepted?
What is the best first glance prediction you can give the customer about the value of his house given your 2 variable linear regression analysis?
We want to know if his support has decreased. In computing a test of hypothesis with , what is the estimate of the overall proportion?
Using the following data, test the question that an equal number of Democrats, Republicans, and Independents voted during the most recent election.
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