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:
A)
B)
C)
D)