X : number obtained on uppermost face when a fair die is thrown then E(= __________
A. 3.0
B. 3.5
C. 4.0
D. 4.5
Answer:B
X : number obtained on uppermost face when a fair die is thrown then E(= __________
A. 3.0 B. 3.5 C. 4.0 D. 4.5