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Find the expected value for the random variable.

Catracho

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5 years ago

Find the expected value for the random variable.

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bio_man

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5 years ago

As far as I'm concerned, you do this:

9(0.14)+12(0.24)+15(0.36)+18(0.18)+21(0.08)... the sum is your answer

A sample calculation (not from here is attached)...

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