Question

I need some hints about this problem~

### Recently Asked Questions

- An expert witness for a paternity lawsuit testifies that the length of a pregnancy is normally distributed with a mean of280 daysand a standard deviation of13

- Please please please explain process don't just give an answer. use excel to solve these problems please. thank you so much.

- My friend and I carpool to school. My friend has promised that he will come pick me up at my place at 8am, but he is always late(!) The amount of time he is