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

question 72

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.Using the critical value approach,the decision and conclusion are:

• A)Do not reject the null hypothesis,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

---

Definitions:

Illness Anxiety Disorder

A disorder in which people are chronically anxious about and preoccupied with the notion that they have or are developing a serious medical illness, despite the absence of somatic symptoms. Previously known as hypochondriasis.

Psychophysiological Disorders

Health problems that are influenced or exacerbated by psychological factors such as stress, anxiety, or emotional distress.

Falling Asleep

The transition from wakefulness to sleep, a natural part of the human sleep cycle.

Staying Asleep

The ability to maintain sleep during the night without frequent awakenings or interruptions.