According to a Study by the Centers for Disease Control

question 143

Multiple Choice

According to a study by the Centers for Disease Control and Prevention, about 33% of U.S. births are Caesarean deliveries. Suppose seven expectant mothers are randomly selected. What is the standard deviation of the number of mothers who will have a Caesarean delivery?

• A) 1.24
• B) 1.54
• C) 2.31
• D) 4.69

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Definitions:

Identical Twins

Twins who have developed from a single fertilized egg and share all of their genes, known as monozygotic twins.

Developmental

Pertaining to the process of growth or development, especially the psychological and physiological growth and changes that occur in human beings throughout their lifespan.

Genetics

The branch of biology dealing with heredity and variation in organisms, explaining how traits are passed from parents to offspring.

Stereotypically Feminine

Traits or behaviors traditionally associated with women in a given culture, often including empathy, nurturing, and sensitivity.