The following is a probability distribution table. X P(X…

The fоllоwing is а prоbаbility distribution tаble. X P(X = x) 6 0.19 7 0.12 8 [a] 9 0.27 a. Fill in the missing probability in the table, P(X = 8) b. Calculate the probability that X is more than 7. [b] c. Calculate the mean value of X. [c]