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An article considered the use of a uniform distribution with A = 0.20 and B = 4.25 for the diameter X of a certain type of weld (mm). (a) Determine the pdf of X. (Round your answers to three decimal places.) f(x)= 14.05 0.556 Graph the pdf of X. f(x) 0.5 0.4 0.3 0.2 0.1 f(x) 0.5 0.4 0.3 0.2 0.1 1 1 x X 0.20

An article considered the use of a uniform distribution with A = 0.20 and B = 4.25 for the diameter X of a certain type of weld (mm). (a) Determine the pdf of X. (Round your answers to three decimal places.) f(x)= 14.05 0.556 Graph the pdf of X. f(x) 0.5 0.4 0.3 0.2 0.1 f(x) 0.5 0.4 0.3 0.2 0.1 1 1 x X 0.20

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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An article considered the use of a uniform distribution with A = 0.20 and B = 4.25 for the diameter X of a certain type of weld (mm). (a) Determine the pdf of X. (Round your answers to three decimal places.) 0.20 < x < 4.25 f(x) = otherwise 14.05 0.556 Graph the pdf of X. f(x) 0.5 0.4 0.3 0.2 0.1 f(x) 0.5 0.4 0.3 0.2 0.1 1 1 X X 2 2 3 3 4 4 5 5 X X f(x) 0.5 0.4 0.3 0.2 0.1 f(x) 0.5 0.4 0.3 0.2 0.1 1 1 2 2 (b) What is the probability that diameter exceeds 1 mm? (Round your answer to three decimal places.) 0.988 X 3 3 (c) What is the probability that diameter is within 2 mm of the mean diameter? (Round your answer to three decimal places.) 0.494 x X X (d) For any value a satisfying 0.20 < a <a + 4 < 4.25, what is P(a < X <a + 4)? (Round your answer to three decimal places.)
Transcribed Image Text:An article considered the use of a uniform distribution with A = 0.20 and B = 4.25 for the diameter X of a certain type of weld (mm). (a) Determine the pdf of X. (Round your answers to three decimal places.) 0.20 < x < 4.25 f(x) = otherwise 14.05 0.556 Graph the pdf of X. f(x) 0.5 0.4 0.3 0.2 0.1 f(x) 0.5 0.4 0.3 0.2 0.1 1 1 X X 2 2 3 3 4 4 5 5 X X f(x) 0.5 0.4 0.3 0.2 0.1 f(x) 0.5 0.4 0.3 0.2 0.1 1 1 2 2 (b) What is the probability that diameter exceeds 1 mm? (Round your answer to three decimal places.) 0.988 X 3 3 (c) What is the probability that diameter is within 2 mm of the mean diameter? (Round your answer to three decimal places.) 0.494 x X X (d) For any value a satisfying 0.20 < a <a + 4 < 4.25, what is P(a < X <a + 4)? (Round your answer to three decimal places.)
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