Brianna Has Always Been Pessimistic

question 101

Multiple Choice

Brianna has always been pessimistic. For the past three years, on most days she feels tired, guilty, and unable to concentrate. However, her eating, sleeping, and daily functioning have not been impaired. This chronic depressed state best illustrates ____.

• A) anxious distress
• B) MDD with a seasonal pattern
• C) premenstrual dysphoric disorder
• D) persistent depressive disorder

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Definitions:

Poisson Parameter

A parameter of the Poisson distribution that represents the average number of occurrences of an event in a fixed interval of time or space.

Mean Number

The arithmetic average of a set of values, calculated by dividing the sum of all values by the number of values.

Poisson Probability

The probability of a given number of events happening in a fixed interval of time or space when these events occur with a known constant mean rate and independently of the time since the last event.

Binomial Probabilities

The probabilities of achieving a specific number of successes in a fixed number of Bernoulli trials, characterized by only two possible outcomes.