Mathematics, 17.01.2020 22:31, neariah24
The distribution of weights of united states pennies is approximately normal with a mean of 2.5 grams and a standard deviation of 0.03 grams. a. what is the probability that a randomly chosen penny weights less than 2.4 grams? b. describe the sampling distribution of the mean weight of 10 randomly chosen pennies. c. what is the probability that the mean weight of 10 pennies is less than 2.4 grams? d. sketch the two distributions (population and sampling) on the same scale. e. could you estimate the probabilities from (a) and (c) if the weights of the pennies had a skewed distribution?
Answers: 2
Mathematics, 21.06.2019 19:30, daquanmcqueen77
Are triangles the congruent? write the congruency statement. what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?
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Mathematics, 21.06.2019 21:00, 22MadisonT
Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75
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Mathematics, 22.06.2019 01:00, vanenav2003ovf1lz
Drag statements and reasons to each row to show why the slope of the line between d and e is the same as the slope between e and f, given that triangles a and b are similar.
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