Suppose Adults in a Particular Town Drive a Mean of 65

question 51

Essay

Suppose adults in a particular town drive a mean of 65 mph with a standard deviation of 15 mph.Using the normal curve table,
a.What percentage of adults drive below 35 mph?
b.What percentage of adults drive below 68 mph or above 85 mph?
c.What percentage of adults drive between 56 and 80 mph?
d.At what speed does someone need to drive to be included in the top 10%?
e.At what speed does someone need to drive to be included in the bottom 25%?
f.Explain your answers to a person who is familiar with mean,standard deviation,and Z scores,but not with normal curve percentages.

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Definitions:

Empirical

Based on observation or experience rather than theory or pure logic.

Sentencing Commission

A governmental body tasked with developing sentencing guidelines, policies, and practices to ensure fair and consistent sentencing in the legal system.

Lengthy Sentences

Extended periods of incarceration given to individuals as punishment for committing crimes.

Empirical

Based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.