The ommitted distribution :
C : ___ 0 ____ 1 ____ 2 ____ 3
P(C) :_0.05 _ 0.10 _ 0.75 _ 0.10
Answer:
0.19
Explanation:
Given the table :
C : ___ 0 ____ 1 ____ 2 ____ 3
P(C) :_0.05 _ 0.10 _ 0.75 _ 0.10
The mean of the distribution is defined as :
ΣX * p(X)
Therefore ;
Σ(C * P(C))
= (0*0.05) + (1*0.10) + (2*0.75) + (3*0.10)
= 0 + 0.10 + 1.50 + 0.30
= 1.90
The mean, also the expected value gives the average number of coffee sold.