The shares of a cannabis company, N. Joy Inc. have gone up and down over the past two years. Analysts say that the probability of the share staying at its current price of $128 is 55%, the probability of going up to $142 is 19% and the probability of the shares dropping to $122 is 26%.

a. (1 marks) Create the probability distribution.

b. (2 marks) What is the expected value of the N. Joy Inc. shares?