Question
On a test to obtain a securities license there are 20 questions with possible answers A, B, C, D, & E. Getting 70% (or 14
On a test to obtain a securities license there are 20 questions with possible answers A, B, C, D, & E. Getting 70% (or 14 out of 20) correct is necessary to pass. A student is certain he knows 10 but must guess on the other 10. What is the probability of getting at least 4 correct by guessing on the 10?
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Elementary Algebra Concepts & Applications
Authors: Marvin L Bittinger, David J Ellenbogen, Barbara L Johnson
9th Edition
0321877926, 9780321877925
