Question
The fracture strength of a certain type of manufactured glass is normally distributed with a mean of 535 MPa with a standard deviation of 15
The fracture strength of a certain type of manufactured glass is normally distributed with a mean of 535 MPa with a standard deviation of 15 MPa. (a) What is the probability that a randomly chosen sample of glass will break at less than 535 MPa? (Round your answer to 2 decimal places.)
(b) What is the probability that a randomly chosen sample of glass will break at more than 557 MPa? (Round your answer to 4 decimal places.)
(c) What is the probability that a randomly chosen sample of glass will break at less than 570 MPa? (Round your answer to 4 decimal places.)
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Elementary Statistics Picturing The World
Authors: Ron Larson, Betsy Farber
6th Edition
0321911210, 978-0321911216
