Average Earnings of Workers The average earnings of year-round full-time workers 25–34 years old with a bachelor’s degree or higher were $58,500 in 2003. If the standard deviation is $11,200, what can

Average Earnings of Workers The average earnings

of year-round full-time workers 25–34 years old with a

bachelor’s degree or higher were $58,500 in 2003. If the

standard deviation is $11,200, what can you say about

the percentage of these workers who earn

a. Between $47,300 and $69,700?

b. More than $80,900?

c. How likely is it that someone earns more than

$100,000?