missbreadsc missbreadsc
  • 22-07-2024
  • Mathematics
Answered

Assume that the mean length of a human pregnancy is 271 days. If​ 95% of all human pregnancies last between 249 and 293 ​days, what is the standard deviation of the distribution of lengths of human​ pregnancies? What percent of human pregnancies are expected to last at least 287 ​days?



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