A set of test scores is normally distributed with a mean of 78 and a standard deviation of 4.5. Dwayne scored 87 on the test. Wh
at is his percentile score?
A.97.5 percentile
B.99.85 percentile
C.87 percentile
D.47.5 percentile
2 answers:
<span>The percentile score would most likely be 97.5, Hope this helps!! :D
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Answer:
the answer is 6.45
Step-by-step explanation:
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2x = 10
x = 5
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20-2 = 10+8
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