The Speed of College Tennis Player Jaron Jackson's First Serve

question 116

Multiple Choice

The speed of college tennis player Jaron Jackson's first serve averages 125 mph, with a standard deviation of 4 mph.The distribution of service speeds is normal.Jaron's opponent today is certain that he can return for a winner any serve that is less than 116 mph.If this is true, what proportion of Jaron's serves will his opponent be sure to return for a winner?

• A).0341
• B).0923
• C).0014
• D).0122
• E).0763

Analyze the significance of genotype-environment interactions in the process of natural selection.

Identify the role of genetic diversity in maintaining population variability.

Recognize the impact of sexual dimorphism on evolutionary biology.

Understand the concept of a trade-off in evolutionary biology and its effects on the rate of evolution.

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