Math 209 6 2 25 Statistics Tutorial Normal Distributions Invnorm

On question

25

... percent of the distribution's area to its left so our picture looks like this and we would type

... two tails so if we divide that by

On question 18 they provide the area on the right now we need to know the area on the left because the

On question 24 we are looking at a

Last section we were focusing on the standard

... of that to get the right z-score so

... that we can use the

Math 209 : 6.2 #2 (Statistics Tutorial : Normal Distributions, normalcdf)

Question 23 is different from the previous questions because we are no longer looking at the standard

A firm's marketing manager believes that total sales for next year will follow the

...

This problem is from the following book: http://goo.gl/t9pfIj We calculate areas on the standard

On question 19 we are given an area on the right so we need to type

... so the probability is actually exactly half so it should be point five or fifty percent but let's do the

... on the right when we use the

Which

This