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Test the claim the population of sopmohores college students has a mean grade point average of 2.25 versus a mean grade point average greater than 2.25. Sample statistic include n = 71, x-bar = 2.39 , and s = 0.7. Use a significance level of alpha = 0.01
What is the critical value? given that the test statistic is 1.68522
Find the test statistic value for two mean tests in large sample.
Determine probability that student was sophomore? Determine the probability of selecting a face card from deck of 52 cards.
Compute the power of the previous test if the true proportion of adults having access to the internet in the population is 41%. What is the power if the true proportion is 42%? 43%?
Suppose that a company claims that their mean weekly sales are $12,250. A random sample 35 weeks yields a sample mean of with a sample standard deviation of s=$1250.
The Collection from the Best of Classical Music
Suppose that population variances from both kinds of digital cameras are equal, is there evidence of difference in mean battery life between two kinds of digital cameras.
A company adminsters an "aptitude test for managers" to aid in selecting new management trainees. Prior experience suggests that 60 percent of all applicants for management trainee positions would be successful if they were hired.
describe the role and importance of listening skills in cross-cultural communication. how can these skills be learned
It labels the top 5% (the heaviest 5%) overweight. How heavy does a box have to be for it to be labeled overweight? Round your answer to the nearest hundredth.
The production manager for Beer etc. produces 2 kinds of beer: light and dark.
The various measures of central tendency: compare them (how they are similar) and contrast them (how they are different), including specific references to numbers, pictures, and tables derived from the data set.
What is the probability that a randomly selected respondent has a goal of getting rich?
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