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March 27, 2015

March 27, 2015

Posted by **SONIA GOVAN** on Monday, February 11, 2013 at 5:31pm.

- STATISTICS -
**JJ**, Monday, February 11, 2013 at 6:45pmYou have to find the z-score.

65-50 = 15 then divide by 10 which is z = 1.5

You can then use a z-table or a stat calculator to find the probablity less than 65%

Depending on the table, you may want to find the probability of z = 1.5 or greater and then subtract that number from 1 to get the less than.

- STATISTICS -
**Kamryn**, Friday, June 6, 2014 at 8:47amFor a normal distribution, what is the probability of randomly selecting a z score greater than Z=- 2.0

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