Many states conduct lotteries; a typical lottery (Keno) payoff ticket is shown here. Assume there are 20 numbers chosen from a set of 80 possible numbers. Use this information for Problems 52-56.

What is the expectation for a four-spot game?

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KENO PAYOUTS NUMBER OF SPOTS MATCHED PLAY $1.00... WIN: 6 SPOT GAME MATCH 6 PRIZE $1,000 $25 $4 $1 Overall odds of winning a priza in this gama 1:6.2 5 SPOT GAME MATCH PRIZE $250 $10 $2 Overall odds of winning a priza in this game-1:10.3 4 SPOT GAME MATCH 4 PRIZE $50 $4 $1 Overall odds of winning a priza in this game 3 SPOT GAME MATCH PRIZE $20 $2 Overall odds of winning a priza in this game-1:6.6 2 SPOT GAME PRIZE $8 MATCH 2 Overall odds of winning a priza in this game-1:16.5 1 SPOT GAME MATCH 1:3.9 PRIZE $2 Overall odds of winning a priza in this game-1:4.0