Question
The substance weight of a type of paper follows a normal distribution with a mean of 40 pounds per square inch and a standard deviation
The substance weight of a type of paper follows a normal distribution with a mean of 40 pounds per square inch and a standard deviation of 3 pounds per square inch.
a. What is the probability that the substance weight of a sample is greater than 45 pounds per square inch?
b. If the specifications require the substance weight to exceed 37 pounds per square inch, what portion of the sample is rejected?
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A Survey of Mathematics with Applications
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
10th edition
134112105, 134112342, 9780134112343, 9780134112268, 134112261, 978-0134112107
