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It is estimated that 2% of the athletes competing in a large tournament are users of an illegal drug to enhance performance. The test for this drug is 95% accurate. What is the probability that an athlete who tests positive is actually a user?
Write down a paragraph about the normal distribution. In the paragraph give an example of a distribution that you would judge to be nearly normal and explain why you have made that conclusion.
Generate three random observations from the uniform distribution between -10 and 40 by using the following random numbers:
Describe what you find then produce an ANOVA for the problem.
Complete the test at the 5% level of significance.
Draw the complete decision tree and determine whether the product should be launched or not.
Compute the coefficient of determination for bone loss and women's age and describe what this statistic means.
Give all steps of a test of the hypothesis that the corresponding population proportions are equal.
Suppose that the population of heights of female college students is approximately normally distributed with mean m of 66.24 inches and standard deviation s of 5.07 inches.
Suppose that about 48% of all infants are girls. The maternity ward at a large hospital handles 1000 deliveries per year. A smaller hospital in the same city records about 50 deliveries per year. At which hospital is it more likely that between 46..
How many voters required to be sampled to evaluate the proportion within 0.05 with 95% confidence?
Are there any formulas or graphs for Correlational statistical procedures and Quantative research methods? I'm writing a paper and would like to throw in a few examples with explanation.
Probability using normal distribution.Sampling distributions. Given a normal distribution with μ = 50 and standard deviation σ = 9, if a sample of n = 100 is selected.
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