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 critical value approach,the decision and conclusion are _________________________________________.
A) do not reject the null hypothesis;we cannot conclude that not all of the proportions are equal to 0.25
B) do not reject the null hypothesis;all of the population proportions are the same
C) reject the null hypothesis;conclude that not all proportions are equal to 0.25
D) reject the null hypothesis;conclude that not all proportions are equal to 0.20
Correct Answer:
Verified
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