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Suppose that the probability that a married man votes is 0.45, the probability a married woman votes is 0.4, and the probability a woman votes given that her husband does is 0.6. What is the probability that (a) both vote? (b) A man votes given that his wife does?
A lot of n items comprises k defectives, and m are chosen randomly and inspected. How must the value of m be selected so that probability that at least one defective item turns up is .90?
from past experience it is known that 90 of one-year old children can distinguish their mothers voice from the voice of
Let P(x,y) be x has been to y, where the domain of discourse for x is all students in this class, and the domain of discourse for y is all countries in the world. Express the following propositions in English.
You are estimating the fuel consumption (gallons per mile) for intermediate armored vehicles based on the horsepower of the vehicle. The vehicle for which you are estimating has 4.29 hundred horsepower.
The number of stereos sold on each weekday. State the hypotheses and identify the claim, find the critical value(s), compute the test value, make the decision and summarize the results.
A drug company is considering marketing a new local anesthetic. The effective time of the anesthetic the company is currently producing has a normal distribution with an average of 7.5 minutes and a standard deviation of 1.2 minutes.
the lakeside boatworks is planning to manafacture three types of molded fiber glass recreational boats-a fishing bass
a simple random sample of 102 engineering students was taken from a population of 750 engineering majors. it was found
question 1 a researcher wants to study the physical activity levels among adults. the mean weight of adult torontonians
An experiment is designed to test the potency of a drug on 20 rats. Previous animal studies have shown that 10-mg dose of the drug is lethal 5% of the time within the first 4 hours; of the animals alive at 4 hours, 10% will die in the next 4 hours..
Does the data indicate, at the significance level 0.05, that true mean lifespan of the product is less than that of the claimed average lifespan? Select the Alternative Hypothesis, Value of the Test Statistic.
What is the best predicted IQ of the wife, given that the husband has an IQ of 105 ? Use a significance level of 0.05.
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