Math 208 6 2 17 Elementary Statistics Tutorial Normal Distributions Invnorm

...

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

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

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

This

... on the right when we use the

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

... that we can use the

On question 24 we are looking at a

17

Sat

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

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

The monthly utility bills in a city are

6.2 Elementary Statistics Standard Normal Distribution

A student scores 70 on a

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