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Based on an analysis of sample data, an article proposed the pdf f(x) = 0.55e-0.55(x-1) when x≥1 as a model for the distribution of X = time (sec) spent at the median line. (Round your answers to three decimal places.) (a) What is the probability that waiting time is at most 6 sec? More than 6 sec? at most 6 sec P(X ≤ 6) = more than 6 sec P(X > 6) = (b) What is the probability that waiting time is between 6 and 7 sec?

Based on an analysis of sample data, an article proposed the pdf f(x) = 0.55e-0.55(x-1) when x≥1 as a model for the distribution of X = time (sec) spent at the median line. (Round your answers to three decimal places.) (a) What is the probability that waiting time is at most 6 sec? More than 6 sec? at most 6 sec P(X ≤ 6) = more than 6 sec P(X > 6) = (b) What is the probability that waiting time is between 6 and 7 sec?

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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Based on an analysis of sample data, an article proposed the pdf f(x) = 0.55e-0.55(x-1) when x≥1 as a model for the distribution of X = time (sec) spent at the median line. (Round your answers to three decimal places.) (a) What is the probability that waiting time is at most 6 sec? More than 6 sec? at most 6 sec P(X ≤ 6) = more than 6 sec P(X > 6) = (b) What is the probability that waiting time is between 6 and 7 sec?
Transcribed Image Text:Based on an analysis of sample data, an article proposed the pdf f(x) = 0.55e-0.55(x-1) when x≥1 as a model for the distribution of X = time (sec) spent at the median line. (Round your answers to three decimal places.) (a) What is the probability that waiting time is at most 6 sec? More than 6 sec? at most 6 sec P(X ≤ 6) = more than 6 sec P(X > 6) = (b) What is the probability that waiting time is between 6 and 7 sec?
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