The diameters of bolts produced by certain machine are

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The amount of Jen's monthly phone bill is normally distributed with a mean of $50 and a standard deviation of $10.  Find the 25th percentile.

The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.30 inches and a standard deviation of 0.01 inches.  What percentage of bolts will have a diameter greater than 0.32 inches?

Reference no: EM13471259

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