其它
\textbf{A set of 5,000 scores on a college readiness exam are known to be approximately normally distributed with a mean of 72 and a standard deviation of 6. To the nearest integer value, approximately how many scores are between 63 and 75.} 
Overseas Competition->Knowledge Point->Calculation Modules
\textbf{P(63 \textless{} X \textless{} 75) calculator: normalcdf(63, 75, 72, 6) = 0.6247~}  \textbf{0.6247*5000 = 3123.3} 