A Card-Dealing Machine Deals Spades (1),hearts (2),clubs (3),and Diamonds (4)at

question 49

Multiple Choice

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. Using the p-value approach and α = 0.05,the decision and conclusion are _________________________________.

• A) do not reject the null hypothesis;all of the population proportions are the same
• B) reject the null hypothesis;conclude that not all proportions are equal to 0.20
• C) reject the null hypothesis;conclude that not all proportions are equal to 0.25
• D) do not reject the null hypothesis;we cannot conclude that not all of the proportions are equal to 0.25

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