Elementary statistics
February 19th, 2023
Bigger animals tend to carry their young longer before birth. The length of horse pregnancies from the conception to birth varies according to a roughly normal distribution with mean 336 days and standard deviation 3 days. Use the 68-95-99.7 rule to answer these questions. The lengths of the middle 95% of all horse pregnancies fall between blank and blank. What percent of horse pregnancies are less than 333 days?