aaronr7383
12.01.2021 •
Mathematics
Rachael got a 550 on the analytical portion of the Graduate Record Exam (GRE). GRE scores are normally distributed and have mean μ = 600 and standard deviation σ = 30. If her z-score is -1.67, this leads to an area to the left of 0.0475. Therefore, the percent of students who scored better than she did is
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Ответ:
0.0475
Step-by-step explanation:
Given that :
Area To the left :
P(Z < 550) = 0.0475 ; that is proportion who scored better than of 550 has a Zscore of 0.0475.
Hence, percentage of students who scored better than she did will be 0.0475
Ответ:
3x=14
Step-by-step explanation: