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College bound senior women scores on the SAT math test follow a normal distribution with a mean of u=500 and standard deviation of O=113. What percent college bound women score higher than 650
A box contain 9 tickets numbered from I to 9 inclusive. If 3 tickets are drawn from the box one at a time, find the proba bility that they arc alternately either ( I ) odd, even, odd or (2) even, odd, even.
A doctor wants to know if there is a relationship between a father’s weight and his first newborn son’s weight. Perform a hypothesis test at Alpha = .01, using table I
harry phelps owner of harrys clothing cupboard is considering a move from downtown to a new shopping mall. because he
1. Test H0: ß2 = 1 vs. H1: ß2 >1 if the following information from a simple regression is given: b2 = 1.39, sb2= 0.18, and n = 30.
If the number of trials during each experiment is 12, determine the maximum likelihood estimate for the probability of success, p.
You're collecting information on salaries of IT workers. You know the population standard deviation of the salaries is $2125. You want to be 99% confident you are within $750 of the population mean. How many people do you need to survey?
explain the distinction between at least 3 out of 5 vs. at most 3 out of 5. identify other terminology or expressions
Use the Tukey-Kramer procedure to determine which mutual fund type has the highest average percentage gain. Use an experiment-wide error rate of 0.05.
Test the assumption that the more experienced consultant has higher satisfaction ratings at the 5% significance level. Show all steps.
to construct a normal distribution the measurements needed area. the mean and the medianb. the mode and the standard
Test whether there is difference in the two population mean. Use p-value approach
This survey was conducted through automated telephone interviews on May 6 and 7, 2013. The error bound of the survey compensates for sampling error.
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