AP Statisticseasymcq1 pt
A random variable X takes 1 with probability 0.7 and 0 with probability 0.3. The expected value of X is
A.0.7
B.0.5
C.0.3
D.1
Explanation
Core Concept
1 times 0.7 plus 0 times 0.3 equals 0.7.
Correct Answer
A0.7
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