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

question 63

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.For the goodness-of-fit test,the degrees of freedom are:

• A)2
• B)3
• C)4

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Definitions:

Acetylcholine

A neurotransmitter involved in many functions including muscle stimulation, heart rate, memory, and learning.

Dopamine

A neurotransmitter involved in many functions, including motivation, reward, attention, and regulating movement.

GABA

Gamma-Aminobutyric Acid, an inhibitory neurotransmitter in the brain that reduces neuronal excitability.

Posttraumatic Stress Disorder (PTSD)

A mental health condition triggered by experiencing or witnessing a terrifying event, characterized by flashbacks, nightmares, severe anxiety, and uncontrollable thoughts about the event.