The payoff matrix for the 2-person 0-sum game of Union in negotiation with Management for annual percentage pay raise is given below: M1 M2 M3 M4
U1 2 4 2 3
U2 3 3 5 2
U3 4 3 2 3
U4 4 4 1 4
a. Eliminate all dominated strategies to obtain the irreducible matrix.
b. Identify and solve all sub-games.
c. Summarize the solution of the game.

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?