Question 3. Suppose that X has an exponential distribution with the pdf f(r) = Be-B, x >0, zero elsewhere, where 8 > 0. If P(X > 7.2) = 0.75 then P(X > 9.4 X > 2.2) is equal to (a) 0.15 (b) 0.35 (c) 0.65 (d) 0.75 (e) none of the above.

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Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
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Question 3. Suppose that X has an exponential distribution with the pdf f(x) = Be-B, x >0,
zero elsewhere, where 3 > 0. If P(X > 7.2) = 0.75 then P(X > 9.4 X > 2.2) is equal to
%3D
%3D
(a) 0.15
(b) 0.35
(c) 0.65
(d) 0.75
(e) none of the above.
1.
Transcribed Image Text:Question 3. Suppose that X has an exponential distribution with the pdf f(x) = Be-B, x >0, zero elsewhere, where 3 > 0. If P(X > 7.2) = 0.75 then P(X > 9.4 X > 2.2) is equal to %3D %3D (a) 0.15 (b) 0.35 (c) 0.65 (d) 0.75 (e) none of the above. 1.
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