Depths of pits on a corroded steel surface are normally distributed with mean 822 μm and standard deviation 29 μm. a) Find the 10th percentile of pit depths. b) A certain pit is 780 μm deep. What percentile is it on? c) What proportion of pits have depths between 800 and 830 μm?
Depths of pits on a corroded steel surface are normally distributed with mean 822 μm and standard deviation 29 μm. a) Find the 10th percentile of pit depths. b) A certain pit is 780 μm deep. What percentile is it on? c) What proportion of pits have depths between 800 and 830 μm?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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