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The following are body mass index (BMI) scores measured in 12 patients who are free of diabetes and participating in a study of risk factors for obesity. Body mass index is measured as the ratio of weight in kilograms to height in meters squared. Generate a 95% confidence interval estimate of the true BMI.25 27 31 33 26 28 38 41 24 32 35 40
Using the appropriate statistical procedure on the SPSS, test the between group means for a significant difference.
At 95% confidence, test to determine if more than 21% of the population will like the new soft drink.
Findout the probability using normal approximation for the provided values. Findout the specified probability from a table of Normal probabilities.
Find out the probability distribution, and the cumulative probability distribution of car arrivals.
Suppose that 10 years ago the average annual expense for stock funds was 1.19 percent. Let µ be the current mean annual expense for all stock funds, and assume that stock fund annual expenses are approximately normally distributed.
An independent testing services road-tested 36 of the automobiles.
It is interested in estimating a 99.97% worst case for percentage of loan that defaults on the portfolio. Show how this varies with the copula correlation.
Brake Pads- A brake pad manufacturer claims its brake pads will last for 38,000 miles. You work for a consumer protection agency and you are testing this manufacturer's brake pads.
If the probability of getting caught is .02, the probability of getting a ticket is .97 and the probabiity of having to pay the ticket is .94, what is the direct cost of running a red light.
At the .01 significance level can we conclude the mean age is more than 8.4 years for the cars of university students? Compute the value of the test statistic.
Make use of normal probability distribution features of EXCEL to help determine the probability.
The probability that a patient recovers from a disease is 63%. What is the probability that:
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