Question: What is the variance of a fair six-sided die roll?
A) 2.5
B) 3.5
C) 2.9167
D) 1.5
Show answer
Answer: C) 2.9167
Question: If 
A) 4
B) 8
C) 16
D) 2
Answer: C) 16
Question: For a constant 
A) 0
B) c
C) c/2
D)
Show answer
Answer: A) 0
Question: A random variable 
A) 9
B) 18
C) 27
D) 81
Show answer
Answer: D) 81
Question: If 
A)
B)
C)
D)
Show answer
Answer: A)
Question: If 
A)
B)
C)
D)
Show answer
Answer: C)
Question: What is the variance of the sum of two independent random variables 
A) 1
B) 7
C) 12
D) 16
Show answer
Answer: B) 7
Question: What is the expected value of 
A) 0
B) 1
C) 2
D) 3
Show answer
Answer: B) 1
explaination:
Hence
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