Question

What is the probability of tossing 4 heads? a) 1/2 b) 1/16 c) 1/33 d) 1/4

Answer 1

If tossing 1 head is 1/2, then you have to do 1/2^4 which is 1/2 × 1/2 × 1/2 × 1/2 (I imagine it as a tree diagram if that helps). 2^4 is 16, so your answer is b) 1/16. Hope this helps!