Rachael got a 550 on the analytical portion of the Graduate Record Exam (GRE). GRE scores are normally distributed and have mean

Question

3 years ago

6

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

Mathematics

1 answer:

yawa3891 [41] · Answer 1 · 2022-05-29T03:07:17+03:00

yawa3891 [41]3 years ago

6 0

Answer:

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