Probability of picking a winning horse in a race
Solve the following:
Q: If the probability of picking a winning horse in a race is 0.2, and if X is the number of winning picks out of 20 races, what is:
a) P [X=4]
b) P[X<=4]
c) E(X) and Var(X)
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If the probability of picking a winning horse in a race is 0.2, and if X is the number of winning picks out of 20 races, what is:
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