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Suppose we wish to construct a confidence interval for a population proportion p. If we sample without replacement from a relatively small population of size N, the margin of error E is modified to include the finite population correction factor as follow
Construct a 90% confidence interval for the proportion of students at a school who are left handed. The number of students at the school is N = 500. In a random sample of 82 students, selected without replacement, there are 9 left handers.
One group was enquired, questions what they saw. One group was enquired, "About how fast were cars going when they smashed into each other?"
explain the general rationale behind using a z-score for describing how an individual performed on an exam compared to
The probability that an individual egg in a carton of eggs is cracked is 0.03. You havepicked out a carton of 1 dozen eggs (that’s 12 eggs) at the grocery store.
Write a program to simulate the queue size. Use this simulation to help formulate a conjecture containing conditions on µ and λ that will ensure that the queue will have times when it is empty.
suppose that we want to estimate the proportion of recipes in the better homes and gardens new cook book that do not
the foundation corporation specializes in constructing the concrete foundations for new houses in the south. the
four companies are making resistors when tested for accuracy these were the resultscompany 1 low 53 good 902 high
in a recent study researchers followed 104000 u.s. veterans who had served in the armed forces and a comparison group
Researcher expects 12 point treatment effect and plans to use two-tailed hypothesis test with u α = .05. Calculate the power of test if researcher uses a sample of n = 16 individuals.
Uniformly distributed over the set of integers in the range [a, b], where a and b are integers with a
testing the significance of correlation.a manufacturer must decide whether to extend credit to a retailer who would
Suppose that an individual stock's return is normally distributed with a mean of 10% and a standard deviation of 8%. What is the probability that the stock's return will be at least 16%?
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