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Mathematics, 05.06.2020 07:01 amyeileen
You want to study the proportion of high school students who do volunteer work. You expect the proportion to be 45%. How large a sample should be selected in order to obtain an estimate to within 02 of the true value with 99% confidence?
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Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.
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You want to study the proportion of high school students who do volunteer work.
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