Find the Indicated Probability

question 89

Multiple Choice

Find the indicated probability.
-The following table displays a distribution for a group of retired people by career and age at retirement. Suppose one of these people is selected at random. Compute the probability that the person
Selected was a store clerk. Round your answer to the nearest thousandth.

• A)0.099
• B)0.300
• C)0.025
• D)0.253

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Definitions:

Dizygotic Twins

Also known as fraternal twins, these are two siblings born from separate eggs and fertilized by different sperm cells, sharing about 50% of their DNA.

Twin-Study Design

A research method that compares the behaviours and traits of monozygotic (identical) and dizygotic (fraternal) twins to understand the influence of genetics versus environment.

Monozygotic Twins

Twins derived from a single fertilization event, resulting in siblings with identical genetic material.

Dizygotic Twins

Twins resulting from the fertilization of two different eggs by two different sperm, sharing 50% of their genes, similar to ordinary siblings.