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3. The athletic department of the University of Colorado conducted a research to see how many students attended a home football game last season. The University has a population of 25,450, and the study showed that 870 of 1100 students sampled attended a home football game. What inferences can be made about student attendance at football games?(a) What is the estimated proportion for the population?(b) Using the 95% level of confidence, what is the confidence interval?(c) Using the 99% level of confidence, what is the confidence interval?
Q-mart is interested in comparing its male and female customers. Q-mart would like to know if the amount of money spent by its female charge customers differs, on average, fro
Create a pivot table for the training data with Online as a column variable, CC as a row variable, and Loan as a secondary row variable - Create two separate pivot tables for
Assuming that you sample without replacement, select all possible samples of n = 2 and construct the sampling distribution of the mean. Compare the mean of all the samples mea
Scenario: You are a healthcare administrator that is trying to introduce a change in practice to a group of stakeholders. Your goal is to help them understand the rationale an
The LDL cholesterol levels in a certain population has the distribution N(5.9, 0.8). 1. What is the cholesterol level of the 'healthiest' (i.e. lowest!) 20%?
Sixty percent of the families in a certain community own their own car, thirty percent own their own homes, and twenty percent own both their own home and own car. If a family
The following table gives the survival times in days of several guinea pigs after they were injected with tubercle bacilli in a medical experiment. 41,99,103,103,105,107,111
Assume that the result is a sample size beyond what you can obtain. Use the compromise function to compute alpha and beta for a sample half the size. Indicate the resulting al
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