Two Events a and B Are Said to Be Dependent

question 132

Multiple Choice

Two events A and B are said to be dependent if and only if:

• A) P(A) = P(B)
• B) P(A) increases along with P(B)
• C) P(A) increases as P(B) decreases
• D) event A is affected or changed by the occurrence of event B
• E) P(A) < P(B)

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Definitions:

Mean Weight

The average mass of objects or individuals, calculated by summing their weights and dividing by the number of objects or individuals.

Sample

A subset of individuals, items, or data taken from a larger population, used to make inferences about the whole population.

Confidence Interval

A span of numbers obtained from sampled data which probably encompasses the value of a not yet known parameter of the overall population.

Cholesterol

A waxy, fat-like substance found in the cells of the body, important for various biological functions but harmful at high levels.