Sample space: H1, H2, H3, H4, T1, T2, T3, T4
All outcomes if the card is three: H3, T3
I was unclear about the last two parts of the question.
A point? I am not sure if ur talking about 2d or 3D
The ratio depicts that their is 63 boys and 16 girls based on the ratio 7:4.
I hope this helps!
40 x (80/100)
= 32
So answer will be 32
