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Hosptials: Charity Care What percentage of hospitals provide at least some charity care? The following problem is based on information from State Health Care Data: Utilization, Spending, and Characteristics (American Medical Association). Based on a random sample of hospital reports from eastern states, the following information was obtained (units in percentage of hospitals providing at least some charity care):
57.1 56.2 53.0 66.1 59.0 64.7 70.1 64.7 53.5 78.2
Use the data above to find a 90% confidence for the population average, µ, of the percentage of hospitals providing at least some charity care.
Modify above problem (Problem 8th) so that each hardware vendor now demands seventy-five (75) units. Any units available from the vendors that are not shipped cost nothing.)
What proportion of time will it take clean-up crew 56 or more hours for cleaning plant? Define the lower and upper limits of interval.
Heights are sampled of kids from three schools. Using a 0.05 significance level, if when looking at ANOVA results, your p-value is 0.04, what can you say about your sample data? No minimum word count.
Develop a joint probability table for these data. If a student goes full time, determine the probability that school quality is first reason for selecting a school?
A video movie store owner finds that 30% of the customers entering the store ask an assistant for help and that 20% of the customers make a purchase before leaving. It is also found that 15% of all customers both ask for assistance and make a purc..
What is the probability that the mean weight for a sample of 40 trout exceeds 405.5 grams?
explain the parts of a decision tree.what are some benefits of using decision trees?in what ways can decision trees be
Identify the null hypothesis, alternative hypothesis, test statistic, P-value and conclusion about the null hypothesis. Use the P-value method.
you conducted a chi-square goodness of fit test in your asci 691 capstone project. unfortunately you did not get the
Die with 4 sides {1, 2, 3, 4} is tossed 2 times. Let X equal maximum of two observations and let Y equal minimum. Determine joint pmf of X and Y, and correlation coefficient. Are X and Y independent?
Can people really identify their favorite brand of cola? Volunteers tasted Coca-Cola Classic, Pepsi, Diet Coke, and Diet Pepsi, with the results shown below.
Determine the mean µ of X; and then find the first, second, and third moments of the distribution about the point µ.
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