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1- suppose that a single character is stored in a computer using eight bits. a-

ID: 2961625 • Letter: 1

Question

1- suppose that a single character is stored in a computer using eight bits.
a- how many bit paterens have exactiy three 1's?
b-how many bit patterens hae at least two 1's?

2-the congressional committees on mathimatics and compute science are made up of five congressmen each, and a congressional rule is that the two committees must be disjoint. I f there are 385 memebers of congress, how many ways could the committees be selected??


use combinations and the binomial theorem to solve these questions

Explanation / Answer