Probability help algebra 2

somson estimatesthat his probability of earning an A in algebra is 0.94 and he has a .82 probability for earning an A in chemistry

a) what is the probability he doesnt get an A in chemistry
b what is the probability for getting an A in both?
what is the probability he gets atleast one A?

a) 1 - 0.82 = 0.18

b) 0.94 x 0.82 = 0.7708

c) P(at least 1 A) = 1 - P(no A's) = 1 - (0.06 x 0.18) = 1 - 0.0108 = 0.9892

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