Exhibit 12-1 a Card Dealing Machine Deals Spades (1),hearts (2),clubs

question 20

Multiple Choice

Exhibit 12-1 A card dealing machine deals spades (1) ,hearts (2) ,clubs (3) ,and diamonds (4) at random as if from an infinite deck.In a randomness check,1,600 cards were dealt and counted.The results are shown below. Refer to Exhibit 12.1.To test if the poker dealing machine deals cards at random,the null and alternative hypotheses are:

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