The mass of a particular fiberglass panel is normally


The mass of a particular fiberglass panel is normally distributed with mean of 66 kg and a standard deviation of 5 kg.

a. What percent of the panels will have a mass less than 72 kg? (Hint: find the Z-value)

b. What is the area under the distribution curve for the above calculated Z-value?

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Mathematics: The mass of a particular fiberglass panel is normally
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