Question

pls solve this question it's urgent

Answer 1

Answer is in attachment friend .

Answer 2

P(E) = 7÷3 is not possible as the no of total observations cannot be less than the no of possible outcomes

2) P(not A) = 1-P(getting A)

ie . P(A)= 1 - 0.65 =0.35 or 35 by 100