Answer: 0.4127
Step-by-step explanation:
The probability formula to find p(F/E):
p(F/E)= N(E n F) / N(E)
p(F/E)= 260 / 630
p(F/E) = 0.4127
Answer:
1: 76°
2: 76°
3: 104°
4: 76°
I think it is -5+root-7/2 & -5-root-7/2
look at picture
x: student tickets
y: general tickets