Mathematics, 18.03.2022 14:00 batmandillon21
A study was conducted in order to estimate the proportion of u. S. Adults that use a computer at home more than 20 hours a week. Suppose 36 out of a random sample of 81 adults use a computer at home more than 20 hours a week. Is the sample size large enough to compute a confidence interval for the proportion of u. S. Adults who spend more than 20 hours a week on a home computer?.
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In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?
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In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?
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