Algebra. HomeWork Help.

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Gevavgl0123210

Mathematics

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Explanation & Answer

It's 0.9544 :)

300 is -2 standard deviations from the mean, and 700 is +2 standard deviations from the mean.

So in total, you are 4 standard deviations spread across the normal distribution, or:

P ( -2 < Z < 2), for which I used a probability table to get 0.9544.


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