The lengths of pregnancies are normally distributed with a mean of 269 days and a standard deviation of 15 days. If 36 w
Posted: Wed May 11, 2022 6:57 pm
The lengths of pregnancies are normally distributed with a mean of 269 days and a standard deviation of 15 days. If 36 women are randomly selected, find the probability that they have a mean pregnancy between 269 days and 271 days 0.5517 В 0.7881 0.2119 0.2581