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Refer to given Exercise. Which method of finding probabilities do you think was used to find the "90 percent chance" and "37 percent chance"? Explain.
Exercise According to Krantz (1992, p. 102), "[In America] women between the ages of 20 and 24 have a 90 percent chance of being fertile while women between 40 and 44 have only a 37 percent chance of bearing children [i.e., being fertile]." Define appropriate events, and write these statements as conditional probabilities, using appropriate notation.
Suppose a candidate running for sheriff claims that she will reduce the average of emergency response to less than 30 minutes. (30 minutes is thought to be the average response time with the current sheriff.)there are no past records, so the actual s..
A political science professor is interested in finding out whether there is a relation between political affiliation and attitude towards a recent supreme court ruling about challenges to federal affirmative-action programs.
Compute the skewness for your data set using Pearson's
The ACT is an exam used by colleges and universities to evaluate undergraduate applicants. The test scores are normally distributed. In a recent year, the mean test score was 21.1 and the standard deviation was 5.0.
what is the probability that a sample mean calculated from a sample of 100 individuals will have an average age between
heights of men on a baseball team have a bell shape distribution with a mean of 172cm and a standard deviation of 5cm.
A reasearcher is running a chi-sq test. She would like to test her hypothesis at the alpha=.05 and finds that her research situation has 5 degrees of freedom. What is value for the chi-sq critical?
q1. out of a total of 120 musicians in a club 5 can play all the three instruments- guitar violin and flute. it so
(a) Identify Type I and Type II errors for this test procedure. (b) Calculate the probability of a Type I error. (c) For what values of X will you accept the null hypothesis? (d) Calculate the probability of Type II error for this test.
A bin contains three components from supplier A, four from supplier B, and five from supplier C. If four of the components are randomly selected for testing, what is the probability that each supplier would have at least one component tested?
assume that a sample is drawn and za2 1.65 and s 35. answer the following questionsa if the maximum error of estimate
problem 1 - what sample size is needed to obtain a 90 percent confidence interval for the mean protein content of meat
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