in an issue of the U.S  news and world report , an article on school standards stated that half of all students in USA ,Germany and Egypt take advanced placent exams and a third pass .THE SAme article stated that 6.6% of students  take the advance d placemtn exam and 4.4% pass .  1 what is the authir trying to prove ? 2 what would happen if author rejected the null? 3 what action would the  author take ?

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.