Which ordered pair comes from the table?
2 answers:
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Standard the random variable 
using the transformation
where
and 
are the mean and standard deviation of , respectively.
Now, you can recall that for any normal distribution, approximately 95% of its data falls within 2 standard deviations of the mean, so to either side, there is approximately 2.5% of data that falls below 2 standard deviations from the mean, and 2.5% that falls
above . In other words, 
.
where
Now, you can recall that for any normal distribution, approximately 95% of its data falls within 2 standard deviations of the mean, so to either side, there is approximately 2.5% of data that falls below 2 standard deviations from the mean, and 2.5% that falls