There are 32 students in categories A and B combined. Some students are in both, 24 are in A, and 24 are in B. E is the event that a randomly selected student (among the 32) is in both categories.

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Q: Please explain how the 32 was caculated in the problem? I had the same question and got it wrong

A: as we can see is solution  No. of coins tossed = 5 P(H)=12 and P(T)=12

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