Use the at Least Once Rule to Find the Indicated

question 21

Multiple Choice

Use the at least once rule to find the indicated probability.
-In a blood testing procedure, blood samples from 5 people are combined into one mixture. The mixture will only test negative if all the individual samples are negative. If the probability that an
Individual sample tests positive is 0.08, what is the probability that the mixture will test positive?

• A)1.00
• B)0.659
• C)0.341
• D)0.00000328

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Definitions:

Psychosexual Development

A theory by Freud that describes the stages of a child's development from birth to adulthood, focusing on how personality develops based on the changing focus of libido.

Anal Stage

In psychoanalytic theory, the second stage of psychosexual development, focusing on toilet training and control of bodily wastes.

Toilet Training

The process of teaching a young child to use the toilet for urination and defecation.

Sexual Development

The process of physical and emotional changes that occur as a person passes from childhood through adulthood, influenced by genetic, physiological, and sociocultural factors.