Math 209 6 2 18 Statistics Tutorial Normal Distributions Invnorm

On question

...

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

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... two tails so if we divide that by

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

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

On question 24 we are looking at a

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

... most number is positive infinity so we would type that into the

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

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

... that we can use the

... on the right when we use the

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

2nd / VARS /

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

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