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Talja [164]
3 years ago
7

Find the area under the standard normal curve to the left of z=1.25.

Mathematics
1 answer:
snow_tiger [21]3 years ago
3 0

For quite some time now, calculators have had statistical functions built in.  Here we need to use the stat. function normalcdf, which has only two inputs when we're working with z scores instead of raw scores.

Here,

normalcdf(-100,1.25) = 0.894

This same result could be obtained using a table of z-scores.

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