Homework Help: statistics

Posted by Anonymous on Thursday, December 15, 2011 at 3:26pm.

the admissions policy at a certain university requires that incoming students score in the upper 20% on a standardized test. if the mean score on the test is 510 and the standard deviation of the scores is 80, what is the minimum score that a student can earn on the test to meet the admissions requiremnt? Scores on the test are normally distributed and are reported in intervals of 10.

statistics - TutorCat, Thursday, December 15, 2011 at 6:42pm
z = (score - mean)/ standard deviation

1)Refer to the z-score chart. Look up the +z-score corresponding to a p-value of ~.8
2)Find score and round up to the nearest 10 interval.
statistics - mad, Thursday, May 17, 2012 at 9:37pm
520

Answer this Question

Related Questions

statistics - the admissions policy at a certain university requires that ...
statistics - 2. The director of admissions at a large university advises ...
statistics! - 1) Entry to a certain University is determined by a national test...
statistics - The average score on a standardized test is 500 points with a ...
statistics - Entry to a certain University is determined by a national test. The...
stats - 2. A standardized exam was provided to all 3rd graders in Arizona ...
College - For college admissions it stated for SAT tests there are no score ...
Statistics - 2. In a given year the Murphy College admissions office accepts ...
business statistics - The director of admissions at a large university says that...
MATH - The ratio of graduate students to undergraduate studaent at a certain ...

For Further Reading

First Name:
School Subject:
Answer: