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M
 5 years ago
f(x) = (2/81)x for 0 < x < 9;
f(x) = 0 for other
given: M = 6; stand dev. of x = 2.1213
what is E[ xM  ] = ?
M
 5 years ago
f(x) = (2/81)x for 0 < x < 9; f(x) = 0 for other given: M = 6; stand dev. of x = 2.1213 what is E[ xM  ] = ?

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amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0kinda hard to tell whats being asked...sorry :)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0i believe I see an equation for the slope of a line y = (2/81)x for all x in the interval (0,9) what M=6 means is beyond me; and standard deviation?

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0E[xM] sounds like an error adjustment or calculation

M
 5 years ago
Best ResponseYou've already chosen the best response.0no this is probability and statistics question

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0ahhh....taking that over the summer college :) you got 4 months to wait ;)
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