A Card-Dealing Machine Deals Spades (1), Hearts (2), Clubs (3)

question 72

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 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

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Definitions:

Psychomotor Disorder

A condition that involves a disruption or impairment in the coordination between mental processes and physical movement.

Communication Disorder

Disorders characterized by significant difficulties in the ability to receive, send, process, and comprehend verbal, nonverbal, and graphic information.

Synapses

Junctions between nerve cells where neurotransmitters are released to transmit signals from one neuron to another.

Cognitive Abilities

Mental capabilities that include the capacity to reason, plan, solve problems, think abstractly, comprehend complex ideas, learn quickly, and learn from experience.