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
Algebra.Com
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) (Show Source): You can put this solution on YOUR website!
P(z > 50/(275/sqrt(300))= P(z > 3.1492) = normalcdf(3.1492,100)
RELATED QUESTIONS
the average SAT score for 300 students accepted at tiny college this year is 1050 with a... (answered by ewatrrr)
#3
SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You... (answered by Boreal)
SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are... (answered by Boreal)
SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are... (answered by Boreal)
SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are... (answered by ewatrrr)
SAT scores are normally distributed with a mean of 1,500 and a standard deviation of 300. (answered by Boreal)
SAT scores are normally distributed with a mean of 1,500 and a standard deviation of 300. (answered by Boreal)
SAT scores are normally distributed with a mean of 1,500 and a standard deviation of 300. (answered by Theo)
Based on data from the College board SAT scores are normally distributed with a mean of... (answered by Boreal)