2. A student is to answer 10 out of 13 questions. Find the number of choices where the student must answer: (a) the first three questions. (b) first or second question but not both. (c) exactly 2 out of first 5 questions. (d) at least 4 out of the first 6 questions.
2. A student is to answer 10 out of 13 questions. Find the number of choices where the student must answer: (a) the first three questions. (b) first or second question but not both. (c) exactly 2 out of first 5 questions. (d) at least 4 out of the first 6 questions.
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
Problem 7P
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