How many different 16- bit strings contain exactly 4 1s?
According to the given information the total number of bits in a string is 16.
It is needed to calculate the number of bits that should contain exactly 4 one’s.
So, n = 16 and r = 4
So, the number of bits can be calculated by:
The formula used to calculate above expression is:
Now, use the formul...
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