At the US Open Tennis Championship a Statistician Keeps Track of Every

question 78

Multiple Choice

At the U.S. Open Tennis Championship a statistician keeps track of every serve that a player hits during the tournament. The statistician reported that the mean serve speed of a particular player
Was 101 miles per hour (mph) and the standard deviation of the serve speeds was 11 mph. If
Nothing is known about the shape of the distribution, give an interval that will contain the speeds
Of at least eight-ninths of the playerʹs serves.

• A)79 mph to 123 mph
• B)68 mph to 134 mph
• C)134 mph to 167 mph
• D)57 mph to 145 mph

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Definitions:

Egalitarian Societies

Communities or societies that emphasize equality for all members, minimizing hierarchy and differences in wealth, status, and power.

Authoritarian Societies

Societies characterized by strict obedience to authority at the expense of personal freedom.

Gender Roles

Social and behavioral norms that are considered appropriate for individuals of a specific gender within a certain culture.

Innate Biological Differences

Natural variations in physiological or genetic characteristics that exist among individuals from birth.