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dangina [55]
3 years ago
9

The mean of a normally distributed dataset is 12, and the standard deviation is 2.

Mathematics
1 answer:
Schach [20]3 years ago
5 0
So lets do it like this:
z = (X-Mean)/SD 
<span>z1 = (8-12)/2 = - 2 </span>
<span>z2 = (16-12)/2 = + 2 </span>
<span>According to the Empirical Rule 68-95-99.7 </span>
<span>Mean more or less 2SD covers 95% of the values </span>
So t<span>he percentage of data points falling between 8 and 16 = 95%
</span>I hope this can help
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