The thickness of a steel rod is unifornly distributed between 374 and 377 millimetres. Find
the mean and standard deviation of the thickness of a steel rod.
a) Mean=375.5. Standard deviation - 0.8660
b) Mean=375.5. Standard deviation = 2.4587
Mean=228,5. Standard deviation =0.8660
d) Mean=228.5, Standard deviation=2.4587
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