4. An admission test is given by a university contains 10 true-false questions. Seven or more of the questions must be answered correctly in order to be admitted. a. How many different ways can the answer sheet be filled out if each question is answered? b. How many different ways can the answer sheet be filled out (cach question is answered) so that 7 or more questions are answered correctly?
4. An admission test is given by a university contains 10 true-false questions. Seven or more of the questions must be answered correctly in order to be admitted. a. How many different ways can the answer sheet be filled out if each question is answered? b. How many different ways can the answer sheet be filled out (cach question is answered) so that 7 or more questions are answered correctly?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Transcribed Image Text:4.
An admission test is given by a university contains 10 true-false questions. Seven or more of
the questions must be answered correctly in order to be admitted.
a. How many different ways can the answer sheet be filled out if each question is answered?
b. How many different ways can the answer sheet be filled out (ecach question is answered) so that 7 or
more questions are answered correctly?
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