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12 questions from this quiz
Long-term average over many trials
Central tendency
E(X)=∑(x×P(x))E(X) = \sum (x \times P(x))E(X)=∑(x×P(x))
Probability of xxx
Probability density function
No, it represents average over trials
When EV equals zero
Economics, insurance, gambling
16\frac{1}{6}61
3.53.53.5
P(Heads)=0.7,P(Tails)=0.3P(\text{Heads}) = 0.7, P(\text{Tails}) = 0.3P(Heads)=0.7,P(Tails)=0.3
0.70.70.7
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