Answer:
10.5
Step-by-step explanation:
14/4 = 3.5
7/2 = 3.5
N/3 = 3.5
N = 10.5
Pls mark Brainiest :)
Flipping two coins gives four possibilities: HH, HT, TH, TT
So P(TT)=1/4
So we'd expect a quarter of the trials to be two tails.

trials expected to be two tails.