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The president of Crooked Arrow National Bank wants to determine whether more than 60% of the banks loans are made to persons residing in Crooked Arrow. A random sample of 500 loans is selected with 320 being made to persons residing in Crooked Arrow.
a. Does the sample data provide evidence to conclude the more than 60% of the banks loans are made to persons residing in Crooked Arrow (using alpha=0.01)
1. Formulate the null and alternative hypotheses.2. Determine the criterion for rejection or non-rejection of the null hypothesis.3. Calculate the test statistic.4. Compare the test statistic to the rejection region and make a judgment about the null and alternative hypotheses.5. Interpret the statistical decision in terms of the problem.6. Compute the observed "p" value in the hypothesis test and interpret this value. What does it mean?
Assume that you have a binomial experiment with p = 0.5 and a sample size of 100. The expected value of this distribution is.
Compute the coefficient of determination, r 2 , and interpret its meaning.
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Determine the largest plausible average balance for the accounts of those using her managed fund in which you could have 90% confidence.
The production line that packages boxes of raisins at a snack food manufacturer will be considered operating properly if the average weight of the boxes of raisin is 3.5 ounces with a standard deviation of 0.3 ounces.
Humanities, 372; Natural Science, 415; Social Science, 511; Business Administration, 619; Philosophy, 196. Create a Pareto chart representing this information.
Suppose n = 1000 persons are to be sampled from this population and the sample proportion of married persons (ρ-hat) is to be calculated. What is the mean of the sampling distribution of ρ-hat?
A survey is planned to determine the mean annual family medical expenses of employees of a large company. The management of the company wishes to be 95% confident that the sample mean is correct to within plus-or-minus $50 of the population mean.
If measurements are made over span of 9 months, and results are averaged, find out the probability that neighbourhood is considered unsafe?
There are two boxes, Box A and Box B. Box A has 40 tags with the number 1, 50 tags with the number 10, and 10 tags with the number 100. Box B has 40 tags with the number 100, 50 tags with the number 10, and 10 tags with the number 1.
Utilizing form of Regression method which would give you highest performing model to forecast Sales. Utilizing your model forecast the sales
Find the probability distribution for X defined as the number of defective items drawn (Hint: You have to find P(X=0), P(X=1) and P(X=2). You may have to use both multiplicative and additive rules to find P (X=1)).
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