Answer:
D. Class frequency divided by the total frequency.
BD is equal to 120 because when you find the hypotenuse of triangle GEB, you just have to multiply it by 1.5.
Answer:
Step-by-step explanation:
note : P(AUB) = p(A)+p(B) - p(A∩B)
P(AUB) = 8/15+6/15- 1/5 = 8/15+6/15-3/15 = 11/15 answer : B