The answer is C. 60. If you add 14+19+16+11 it equals 60.
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Answer:




Step-by-step explanation:
We have to find the relative frequency for each event.
The relative frequency of a event is the number of times the event event happened by the total number of events.
There are 16+18+19+19 = 72 events.
X can be 4,5,6 or 7.
We have that




Take the second equation [ y - 3x= 5 ] and add 3x to each side: [ y = 3x + 5 ].
Now you can see that the graphs of both equations have the same slopes.
This tells you clearly that their graphs are parallel lines which never intersect.
Therefore, the 'system' of equations has no solution.