ykpwincess
16.12.2019 •
Mathematics
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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Ответ:
Ответ:
take your largest minus the smallest
8-0=8
hope this helps