Mathematics, 30.03.2020 17:03, trevorhenyan51
The mean class grade for all statistic students from the 2016-2017 was 85% with a standard deviation of 7%. We want to know if the current class of statistic students is significant different from last year's population. The current mean class grade is 88% with a standard deviation of 5% and there are 30 students in the class. Use α = .01.
Answers: 3
Mathematics, 21.06.2019 18:00, xojade
Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.
Answers: 1
Mathematics, 22.06.2019 00:00, alyxxboothe
Can someone me with this? i’m not sure what to put for my equations.
Answers: 2
Mathematics, 22.06.2019 00:30, hannahpalacios101
36x2 + 49y2 = 1,764 the foci are located at: a) (-√13, 0) and (√13,0) b) (0, -√13) and (0,√13) c) (-1, 0) and (1, 0)
Answers: 1
The mean class grade for all statistic students from the 2016-2017 was 85% with a standard deviation...
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