Saturday
April 19, 2014

Homework Help: statistics

Posted by SHelia on Sunday, May 6, 2012 at 11:52pm.

The distribution of scores on a standardized aptitude test is approximately normal with a mean of 490 and a standard deviation of 95. What is the minimum score needed to be in the top 25% on this test? Carry your intermediate computations to at least four decimal places, and round your answer to the nearest integer.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Statistics - the scores of a standardized test are normally distribution with a ...
statistics - The average score on a standardized test is 500 points with a ...
statistics - 2. Why is it important to know the mean and standard deviation for ...
statistics - The scores for standardized test are normally distributed with a ...
business statistics - The scores on a standardized exam are normally distributed...
statistics - the admissions policy at a certain university requires that ...
statistics - the admissions policy at a certain university requires that ...
Word Problem - A math teacher gives two different tests to measure students' ...
statistics - A standardized test is designed so that scores have a mean of 50 ...
Statistics - The distribution of scores on a test is mound-shaped and symmetric ...

Search
Members