Based on an analysis of sample data, an article proposed the pdf f(x) = 0.65e-0.65(x - 1) when x 21 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 9 sec? More than 9 sec? P(X S 9) = P(X > 9) = at most 9 sec more than 9 sec (b) What is the probability that waiting time is between 4 and 7 sec?
Based on an analysis of sample data, an article proposed the pdf f(x) = 0.65e-0.65(x - 1) when x 21 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 9 sec? More than 9 sec? P(X S 9) = P(X > 9) = at most 9 sec more than 9 sec (b) What is the probability that waiting time is between 4 and 7 sec?
Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
Problem 3TI: Table 6 shows the population, in thousands, of harbor seals in the Wadden Sea over the years 1997 to...
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Transcribed Image Text:Based on an analysis of sample data, an article proposed the pdf f(x) = 0.65e-0.65(x - 1) when x 21 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 9 sec? More than 9 sec?
P(X S 9) =
P(X > 9) =
at most 9 sec
more than 9 sec
(b) What is the probability that waiting time is between 4 and 7 sec?
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