Four workers at a fast food restaurant pack the take-out chicken ...

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Four workers at a fast food restaurant pack the take-out chicken dinners. John packs 45 of the dinners but fails to include a salt packet 4 of the time. Mary packs 25 of the dinners but omits the salt 2 of the time. Sue packs 30 of the dinners but fails to include the salt 3 of the time. You have purchased a dinner and there is no salt.
 a. Find the probability that John packed your dinner.
  b. Find the probability that Mary packed your dinner.

Question 2

For a minimization problem, a point is a global minimum if there are no other feasible points with a smaller objective function value.
 a. True
  b. False
  Indicate whether the statement is true or false

[tuwy]

Answer to Question 1

a. 0.5625
b. 0.15625

Answer to Question 2

TRUE

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Gracias!

[xthemafja]

Thanks for the timely response, appreciate it