Answer:
Step-by-step explanation:
just mutiply 120 by 1,2,3,4,5,6,7,8
The mean of the probability distribution is given by the expected value given by
The variance of the probability distribution is given by
The standard deviation is given by
Y is the amount of money u earn
x is the no of hours u work
9.25 is the amount paid for u each hour
hope this helpa