He distribution of scores on the sat is approximately normal with a mean of m = 500 and a standard deviation of sd = 100. for the population of students have taken the sat. (c) what is the minimum sat score needed to be in the highest 10% of the population?

Question

Davion Ross

Mathematics

20 July, 16:52

He distribution of scores on the sat is approximately normal with a mean of m = 500 and a standard deviation of sd = 100. for the population of students have taken the sat. (c) what is the minimum sat score needed to be in the highest 10% of the population?

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Hana Dickerson · Answer 1

A. What proportion have SAT scores greater than 700? Z = 2; 2.28%

B. What proportion have SAT scores greater than 500? 50%

C. What is the minimum SAT score needed to be in the highest

10% of the population? Z = 1.28; 628

D. If the state college only accepts students from the top 60% of the SAT distribution, what is the minimum SAT score needed to be accepted? Z =.26; 474