Question 1192178
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Suppose you flip a coin and keep a record of the results. 
In how many ways could you obtain at least one head if you flip the coin six times?
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Flipping a coin six times, you may have  {{{2^6}}} = 64 different records.


Of these 64 different records, only one record will not have heads, at all: it is the record of six T

    T T T T T T.


All other 64-1 = 63 records will have at least one head.


<U>ANSWER</U>.  63 of 64 different records will have at least one head.
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Solved.