21 - It is desired to compare the end-of-term achievements of two faculty members teaching the same course. 275 of 500 students taught by A, and 300 of 400 students taught by B, were successful in the final exam. Find the standard stud of the difference between the ratios.

21 - It is desired to compare the end-of-term achievements of two faculty members teaching the same course. 275 of 500 students taught by A, and 300 of 400 students taught by B, were successful in the final exam. Find the standard stud of the difference between the ratios.

Elementary Geometry for College Students

6th Edition

ISBN:9781285195698

Author:Daniel C. Alexander, Geralyn M. Koeberlein

Publisher:Daniel C. Alexander, Geralyn M. Koeberlein

Chapter9: Surfaces And Solids

Section9.CT: Test

Problem 14CT: Assume that a die used for gaming is in the shape of a regular octahedron. The faces are numbered...

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Question

B) 0.563

C) 0.031

D) 0.053

E) 0.85

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