sofiaadames sofiaadames

30-12-2022
Mathematics

Answered

An article in an educational journal discussing a non-conventional high school reading program reports, with 95% confidence, the average score on the reading portion of the SAT is between 520 and 560. The study was based on a random sample of 20 students and it was assumed that SAT scores would be approximately normally distributed.

Determine the average SAT reading score of the 20 students sampled.
a) 520
b) 560
c) 530
d) 540
e) 550

Answer :

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