You can play around with Z table stuff at
http://davidmlane.com/normal.html
The annual precipitation for one city is normally distributed with a mean of 390 inches and a standard deviation of 3.2 inches. Fill in the blanks.
In 95% of the years, the precipitation in this city is between ___ and ___ inches.
2 answers
go to
http://davidmlane.com/normal.html
click on "value from an area"
in Area --- enter .95
Mean --- 390
SD --- 3.2
click on the "between" button to get from 383.727 to 396.273
http://davidmlane.com/normal.html
click on "value from an area"
in Area --- enter .95
Mean --- 390
SD --- 3.2
click on the "between" button to get from 383.727 to 396.273
1 answer