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o components f x y of a minicomputer have the following joint par for xe...

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o components f x y of a minicomputer have the following joint par for xe x 1 y xe 0 0 a What is the probability that the lifetime X of the first component exceeds 4 Round your answer to three decimal places b What is the marginal pdf of X y 1 x dy ey for y 20 x 1 y dx e for y 0 f x x dx x 1 y dx ex for x 0 7 x ay x 1 y dy ex for x 0 7 x ax dx 7 1 1 x 1 y dx 7 x x x 20 and y 20 otherwise 1 1 y Fa y 1 x dx What is the marginal pdf of Y 1 1 x 7 xx for x 0 y dy ex for x 0 for y 0 Farmor dx ey for y20 for x 0 udent Assignment Responses last dep 31335557 dx work 7 EAS 305 sertion A Spring 20231 WebAssign dx 1 of 1 for 20 for y 20 for x 20 Are the two lifetimes independent Explain Yes f x y is the product of the marginal pdfs The two lifetimes are independent Yes f x y is not the product of the marginal pdfs The two lifetimes are independent is the product of the marginal pdfs The two lifetimes are not independent O No f x y Page 4 of 10 4 14 23 4 24 PM

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