Mathematics, 01.08.2019 01:00 pgjohnston001
Rita makes and sells necklaces. the materials to make each necklace cost $2.75. last week she made 8 necklaces and wants to make a total profit of $78. using the equation 8(x+2.75)=78, rita determined that she needs to sell each necklace for $7 to make a total profit of $78. which error did rita make?
Answers: 2
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On a certain portion of an experiment, a statistical test result yielded a p-value of 0.21. what can you conclude? 2(0.21) = 0.42 < 0.5; the test is not statistically significant. if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 21% of the time, so the test is not statistically significant. 0.21 > 0.05; the test is statistically significant. if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 79% of the time, so the test is not statistically significant. p = 1 - 0.21 = 0.79 > 0.05; the test is statistically significant.
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Rita makes and sells necklaces. the materials to make each necklace cost $2.75. last week she made 8...
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