Notation recap: to write the probability that the random variable X has the value, we write P(X = a), not P(X) = a

The number of TVs sold per day in a shop is a random variable with the following distribution. Note that the maximum number of TVs the shop can sell is 8 due to the availability.

Number of TV's 0 1 2 3 4 5 6 7 8 Probability 0.24 0.2 0.2 0.1 0.09 0.07 0.06 0.03