Question: Select the correct statement from among the following: The diameter of a certain rod is normally distributed with a mean of 1.20. The proportion of

Select the correct statement from among the following: The diameter of a certain rod is normally distributed with a mean of 1.20". The proportion of rods with diameters less than 1.0" is

a. greater than the proportion of diameters larger than 1.2".

b. greater than 50%.

c. equal to the proportion of diameters larger than 1.40".

d. less than the proportion of diameters smaller than 0.5.

what is the correct answer and why?

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