Thickness measurements of ancient prehistoric Native American pot shards discovered in a Hopi village are approximately normally distributed, with a mean of 5.3 millimeters (mm) and a standard deviation of 1.5 mm. For a randomly found shard, find the following probabilities. (Round your answers to four decimal places.)

A button hyperlink to the SALT program that reads: Use SALT.
(a) the thickness is less than 3.0 mm

(b) the thickness is more than 7.0 mm
Correct: Your answer is correct.

(c) the thickness is between 3.0 mm and 7.0 mm

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