The mean number of correct answers will be equal to 385.
What is mean?
The mean is defined as the ratio of the sum of the all the numbers given by the total count of the numbers.
The total questions are 770 and consist of the true and false.
The mean of the numbers will be given as:-
Mean = 770 / 2 = 385
Therefore mean the number of correct answers will be equal to 385.
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