Admission to a Certain University Is Determined by an Entry

Multiple Choice

Admission to a certain university is determined by an entry exam. The scores of this test are Normally distributed with a mean of 400 and a standard deviation of 60. Only students who score in the top 30% will be offered admission. Amy scores 425 on the test. Choose the most accurate statement.

A) The top 30% is defined with a score less than or equal to 431.4 so she will be admitted.
B) The top 30% is defined with a score greater than or equal to 431.4 so she will not be admitted.
C) The top 30% of all students have scores greater than or equal to 520 so she will not be admitted.
D) The top 30% of all students have scores greater than or equal to 460 so she will not be admitted.