Question: How do I find the power of function test with little info? Assume the SAT mathematics score of students in a given population follows a
How do I find the power of function test with little info?

Assume the SAT mathematics score of students in a given population follows a N (n1 0'2 = 8649) distribution. With a random sample of size n = 49, we want to test Hg : p. = 525 against the Ha : ,u; a: 525. {a} Determine the critical region for signicance level or = 0115. {b} Find the power function for the test based on the critical region found in (a). {c} Sketch a graph of the power flmction over the region of 500 E. p: E 530
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