Mathematics, 01.05.2021 21:30 juniieb

Scores on an achievement test had an average of 70 and a standard deviation of 10. Serena's score was 85. Assuming the scores have approximately a normal distribution, about what
proportion of students scored lower than Serena?
A.0.93
B.0.07
C.0.84
D.0.69

Is my answer correct? And particularly the graph?

Scores on an achievement test had an average of 70 and a standard deviation of 10. Serena's

score

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