answers - don\'t peek! Solutions later.
1. approximately 1/120,526,770
2. zero tickets: approx 0.6079
One winner: approx 0.3026
Two winners: approx 0.0753
Three winners: approx 0.0125
More than 3: approx 0.0017
3. Just under $1.05. Yes, that means a $1 Powerball ticket is actually a good investment if standard deviation means nothing to you.
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