I have completed the 1st one and have attached it.
Hello :
note 1 :
p(A|B) = p(A∩B)/<span> p(B)
note 2 :
</span> A and B independent: p(A∩B) = p(A)×p(B)
calculate : p(A∩B)
p(A∩B) = p(A|B)×p(B)
p(A∩B) = 0.35 ×0.75 = 0.2625
but : p(A)×p(B) = 0.44×0.75 = 0.33
conclusion :
<span>the events A and B are not independent ?</span>
Answer:
x = 9
Step-by-step explanation:
solve using cross multiplication
63(x) = 45(12.6)
63x = 567
x = 9
Answer:
574.5 A) 52.5 B) 294 C) 341.25 D) 599.5
Step-by-step explanation:
3*104+2.5*105=312+262.5=574.5
A) 0.5*105=52.5
B) 2.8*105=294
C) 3.25*105=341.25
D) 5.5*109=599.5