Mathematics, 17.09.2019 06:10 dedrell16

Statistics
based on data collected from its production processes, crosstiles inc. determines that the breaking strength of its most popular porcelain tile is normally distributed with a mean of 400 pounds per square inch and a standard deviation of 12.5 pounds per square inch. based on the 68-95-99.7 rule, about what percent of its popular porcelain tile will have breaking strengths between 375 and 425 pounds per square inch?
a. 32%
b. 84%
c. 95%
d. 68%
e. 47.5%
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based on data collected from its production processes, crosstiles inc. determines...

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