Suppose that water usages in American showers are normally distributed, with an average shower using 16 gallons, and a standard deviation of 3.7 gallons. Estimate the percentage of showers that used (a) between 12.3 and 19.7 gallons. 68 (b) more than 19.7 gallons. % Enter an integer or decimal number [more..] (c) less than 4.9 gallons. % 0 % (d) between 4.9 and 19.7 gallons. % ४९

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A: Cholesterol levels in mmol/L on 10 patients were as follows: X: 1.50  1.95   1.84   2.20   1.68…

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A: Given data ,Set A : 2,6,3,1Set B : 2,4,1,3

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A:

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A: Given X=the data set: 0.09, 0.10, 0.11, 0.13, 0.09, 0.11, 0.10, 0.07 n=8

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Q: Suppose that the mean and standard deviation of the scores on a statistics exam are 81.7 and 6.75,…

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A: Given that  Class Frequency 25 - 34 25.1 35 - 44 33.2 45 - 54 39.6 55 - 64 24.5

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A: Since we have to model standard deviation in cusum chart, we can use Xbar and S charts.

Q: The diameters of ball bearings produced in a manufacturing process can be described using a uniform…

A: Solution: Let X be the diameters of ball readings produced in a manufacturing process. From the…