SOLUTION: the average SAT score for 300 students accepted at tiny college this year is 1050 with a standard deviation of 275. if a random sample of 40 students is selected from this class, w

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Question 936412: the average SAT score for 300 students accepted at tiny college this year is 1050 with a standard deviation of 275. if a random sample of 40 students is selected from this class, what is the probability that the average SAT score will be greater than 1000 ?
with formula and solution
thank you

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
P(z > 50/(275/sqrt(300))= P(z > 3.1492) = normalcdf(3.1492,100)