Q2 (c): According to the above frequency distribution table, the :value of mean deviation (MD) is

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A: The given distribution of the number of under inflated tires x on an automobile is: .

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A: Given that.   X~N( μ , ?)   μ=31000 , ?=3000   Z-score =( x - μ )/?

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Q: (d) 24th (e) 14th

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Q: See photo ) The data set on the left represents the annual rate of return (in percent) of eight…

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Q: the mean is 146, and standard deviation is 35. A score of 181 is how many z-scores above the mean?

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Q: What position [how many standard deviations] in the distribution corresponds to z-score of z= -1.00?

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A: (C) From the results of part (b),The proportion of rods will be discarded is, p = 0.0220 Sample…