Allen B. Downey Quotes & Sayings
Enjoy the top 1 famous quotes, sayings and quotations by Allen B. Downey.
Famous Quotes By Allen B. Downey
For all live births, the mean pregnancy length is 38.6 weeks, the standard deviation is 2.7 weeks, which means we should expect deviations of 2-3 weeks to be common. — Allen B. Downey