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Cite an example of how you could/would apply a test of a hypothesis for a single population proportion, two tail test described in the lecture to real world situations? Make sure you state your hypothesis in both the null and alternate form as well as shoing the hypotheses in symbol form.
mean is calculated for each sample, then the average distance between M and u would be:
(a) Write the fitted regression equation, (c) What is your conclusion about the slope.
If the alpha level is changed from a = .05 to a = .01, (a) What happens to the boundaries for the critical regions? (b) What happens to the probability of a type I error?
Using binomial distribution find the probability that 2 or 3 women in a sample of 20 will never be married.
A medical school claims that more than 28% of its students plan to go into general practice. It is found that among a random smaple of 130 of the school's students, 32% of them plan to go into general practice. Find the P-value for a test of the s..
If desired confidence level is 95 percent, suitable critical value is?
Define the Linear programming problem (LPP)
Produce a printout of the frequency tables, showing the total of both frequencies.
The average price of a car wash is $5.00. A sample of six car washes averaged $5.70 and had a sample standard deviation of $1.30. Assuming a normal population, use the critical value method to test the claim at a= 0.05.
This activity is a revision of an activity found in Real Data: A Statistics Workbook Based on Empirical Data by Z. C Holcomb (1997). Published by Pyrczak Publishing.
Using the EMV criteria (you wish to maximize expected profits in this case) determine what course of action that Optel should take. Make sure to state the best strategy in words.
If 200 of the adults surveyed were in the age category of 24 and under and they provided a standard deviation of $14.50, construct a 95% confidence interval for the weekly average expenditure on fast food for adults 24 years of age and under.
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