Mathematics

Marin Baxter

3 April, 00:24

The SAT and ACT tests use very different grading scales. The SAT math scores follow a normal distribution with mean 518 and standard deviation of 118. The ACT math scores follow a normal distribution with mean 20.7 and standard deviation of 5. Suppose Regan scores a 754 on the math portion of the SAT. How much would her sister Veronica need to score on the math portion of the ACT to meet or beat Regan's score?

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