A major credit card company has determined that customers charge between $100 and $1,100 per month. Given that the average monthly amount charged is uniformly distributed, what percent of monthly charges are between $600 and $889?
A) 28.9%
B) 20.8%
C) 26.2%
D) 29.3%
E) None of the choices are correct

Question

Quizplus · Accepted Answer

The uniform distribution means that the probability is evenly spread across the range. The total range is $1,100 - $100 = $1,000. The range from $600 to $889 is $889 - $600 = $289. The percentage is ($289 / $1,000) * 100% = 28.9%.

A Major Credit Card Company Has Determined That Customers Charge