Acertain game consists of rolling a single fair die and pays off as follows: $7 for a 6, $2 for a 5, $1 for a 4, and no payoff otherwise.

  E Winning) = $ 1.667

Step-by-step explanation:

E(winnings) = (7 x ()) + (2 x ( + (1 x ())

= + +

  =

    =

   = $ 1.667

use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative

=

x=0.8898305 is the answer to that equation