Stock a rise .60 stock b rise .40...if b rise, the probability a will rise .55

A. Are a and b mutually exclusive...yes or no and why

B. Are a and b independent yes or no and why

Answer is

a and b are not mutually exclusive because both are rising and dropping separately .

Yes both a and b are independent as they share the relation of rise and fall with each other.

Please select my answer as best.

A. Is it because P(a|b)=p(a) or p(a upside down u b)=0

B. Yes because p(a|b)=p(a) or p(a upside down u b)= 0

A. p(a upside down u b)=0

B . p(a|b)=p(a)

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