Mathematics, 04.05.2020 22:51 anrs14
The dwarves of the Grey Mountains wish to conduct a survey of their pick-axes in order to construct a 99% confidence interval about the proportion of pick-axes in need of repair. What minimum sample size would be necessary in order ensure a margin of error of 10 percentage points (or less) if they use the prior estimate that 25 percent of the pick-axes are in need of repair?
Answers: 1
Mathematics, 21.06.2019 16:40, jsmith4184
Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in
Answers: 2
Mathematics, 21.06.2019 17:10, makaylashrout77
Which of the following expressions is equal to 2x^2+8
Answers: 2
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