What is the mean
What is the standard deviation
What percentage of values should fall between 42 and 47
Which value has a z- score of -2
![What is the mean What is the standard deviation What percentage of values should fall between 42 and 47 Which value has a z score of 2 class=](https://us-static.z-dn.net/files/db3/fc8b28619661e36f96833fa6af1ad15d.jpg)