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Darnell lives in an area where labor is plentiful and locations for start-ups are relatively cheap. He is also confident that he can find start-up funds for a graphic arts business. As he evaluates the opportunity for his proposed venture, which of the following factors of production should he focus on?
a. What is the probability that one randomly selected student scores above 1100 on the GRE? b. Describe the sampling distribution of the sample mean for the 16 students.
In a sample of 1,000 representing a survey from the entire population, 650 people were from Laketown, and the rest of the people were from River City.
An urn contains 8 green balls, 5 red balls, and 7 white balls. How many ways are there to draw a green ball or a red ball?
A director of an agency is hiring temporary help. In making plans, he has to know whether there isi any difference in the use of the agency at different seasons of the year.
Using the sample information given in the above exercise, the p value for testing Ho versus Ha can be calculated to be 0.0057
Suppose that the results of the sample lead to rejection of the null hypothesis. Classify that conclusion as a:
Standard deviation of 100. The top 3% of students receieve $500. What is the minimum score you would need to receive this money? Calculate the z-score.
What is the value of z score required for a 70% confidence interval?
Assuming the manufacturer's claim is true, what is the approximate probability of observing a sample mean of 52 months or less?
construct a 95% confidence interval for the weekly average expenditure on fast food for adults 24 years of age and under. Assume fast food weekly expenditures are normally distributed.
State the main points of the Central Limit Theorem for a mean. Why is population shape of concern when estimating a mean? What does sample size have to do with it?
Find out the probability that disc doesn't touch line between two planks. Find out also expected distance from center of the disc to closest line between two planks.
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