Please help with this question.

(4 points) A fair coin is ipped 10,000 times. Let 8' denote the number of heads observed. (a) Are the following events have the same probabilities or not? If not, which of the following events have the largest probability? {1000 5 S g 1100}, {3000 5 S g 3100}, {5000 g S g 5100} (b) Approximately compute the probability of the event that has the largest probability (If you think that they have the same probabilities then please compute this probability)