I’m assuming 3/4x is a fraction
the coordinates are (0,-4) and (4,-1)
No of outcomes =16
favourable outcome=4
<span>probability of getting exactly 3 heads=0.25</span>
I don't know how to answer the first part but i'll solve it.
5(3+7)-5
5(10)-5
5x10-5
50-5
45
