finding probability round 2 decimal

P(A)=.57 P(B)=.23 P(A upside down u B)=.03

A. are a and b independent…yes or no and why…plz explain

b. are a and b mutually exclusive yes  or no and why… plz explain

c. prob that neither a or b takes place

round 2 decimal plz

thank you

 
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