Critical reading SAT scores are distributed as N(500, 100). a. Find the SAT score at the 75th percentile. b. Find the SAT score at the

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Critical reading SAT scores are distributed as N(500, 100).

a. Find the SAT score at the 75th percentile.

b. Find the SAT score at the 25th percentile.

c. Find the interquartile range for SAT scores.

d. Is the interquartile range larger or smaller than the standard deviation? Explain.