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Mathematics, 16.12.2019 03:31 mashejaj

Aset of test scores is normally distributed with a mean of 78 and a standard deviation of 4.5. dwayne scored 87 on the test. what is his percentile score?

a.97.5 percentile

b.99.85 percentile

c.87 percentile

d.47.5 percentile

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