2. Three times the difference of a number and one is equal to twice a number added to two.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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2. Three times the difference of a number and one is equal to twice a number added to two.
3. The digits 4, 5, 6, and 7 are to be arranged in three digit number. How many possible
numbers can be formed if:
a. repetition is not allowed?
b. repetition is allowed?
4. There are six dots in the circumference of a circle, if they are equally distributed and connect
each point with each other. How many chords can be made?
5. A married couple wishes to have four children. How many possible arrangement of children
can be formed?
Transcribed Image Text:2. Three times the difference of a number and one is equal to twice a number added to two. 3. The digits 4, 5, 6, and 7 are to be arranged in three digit number. How many possible numbers can be formed if: a. repetition is not allowed? b. repetition is allowed? 4. There are six dots in the circumference of a circle, if they are equally distributed and connect each point with each other. How many chords can be made? 5. A married couple wishes to have four children. How many possible arrangement of children can be formed?
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