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The 1996 GSS asked, "If husband in family wants children, but wife makes decision that she doesn't want any children, is it all right for wife to refuse to have children?" 82.7% said yes.
(a) If standard error is 0.01429, determine the 96 % confidence interval for population proportion who would say yes.
Find the z score corresponding to a score of X = 60 for each of the following distributions:
Using variables below, (1) mention all research questions that would be replied with a Two Way ANOVA test, (2) make null hypotheses for these questions.
Her results (in hours until turning a particular shade of brown) are in the table below. At ∞= .01, did she see a difference between the two treatments?
The probability that Pete will catch fish when he goes fishing is .8. Pete is going to fish three days next week. Define the random variable x to be the number of day Pete catches fish. (hint. binomial distribution)
Which of the following best expresses the value of using percentages in data presentation? A. Provides for the calculation of marginals.
Assuming that a hypothesis test of the claim has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.
A researcher selects a random example of college students and measures number of hours they spend watching television per week and their grade point average.
What is the probability of a false negative test (the probability that a person having muscular distrophy tests negative)?
Express the null hypothesis and the alternative hypothesis in symbolic form: An entomologist writes an article in a scientific journal, which claims that fewer than 7 in ten thousand male fireflies are unable to produce light due to a genetic muta..
Powers Tire Company (Which specializes in tires for vehicles ca. 1965) needs your expertise to help them schedule over the next three months. They can make tires using regular labor, or subcontracting.
Albert Einstein stated, "The formulation of a problem is far more often essential than its solution, which may be merely a matter of mathematical or experimental skill.
State a question that can be answered in a "binomial" manner, such as Do you normally read the front page of a newspaper at least 4 times a week?
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