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Mathematics, 26.10.2021 03:10 genyjoannerubiera
68. Post office A local post office weighs outgoing mail and finds that the weights of first-class letters are approximately Normally distributed with a mean of 0.69 ounce and a standard deviation of 0.16 ounce. a. Estimate the 60th percentile of first-class letter weights. b. First-class letters weighing more than 1 ounce require extra postage. What proportion of first- class letters at this post office require extra postage?
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Mathematics, 21.06.2019 22:20
Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m? -15m = -4m -7m - 8 = m - 4 -3m - 8 = 4 - m m - 4 = -7m - 8 -8 - 7m = -4 + m -8 - 3m = 4 - m
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68. Post office A local post office weighs outgoing mail and finds that the weights of first-class l...
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