charliean charliean

19-03-2017
Mathematics

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A set of data has a normal distribution with a mean of 5.1 and a standard deviation of 0.9. Find the percent of data less than 4.2.<br /><br />
about 16 %<br /><br />
about 34%<br /><br />
about 13.5%<br /><br />
about 2.5%

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tarnation tarnation

19-03-2017

So that second equation is where I replaced the data for the equation you can use for any question like this. Solve for z :)

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