Math 208 6 2 24 Elementary Statistics Tutorial Normal Distributions Invnorm

On question

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

...

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

... two tails so if we divide that by

Last section we were focusing on the standard

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

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

The next topic is the

Find the z-score that corresponds to the cumulative area so 29 is 0.4364 the picture looks like this we would type

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

... that we can use the

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

... on the right when we use the

The monthly utility bills in a city are

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

Sat

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

Math 208 : 6.2 #8 (Elementary Statistics Tutorial : Normal Distributions, normalcdf)