SOLUTION: In an AP* stats class , 57% of students eat breakfast in the morning and 80% of students floss their teeth. Forty-six percent of students eat breakfast and also floss their teeth.

Question 935281: In an AP* stats class , 57% of students eat breakfast in the morning and 80% of students floss their teeth. Forty-six percent of students eat breakfast and also floss their teeth.
1)_______what is the probability that a student from the class eats breakfast but does not floss their teeth. A)57% B)91% C)11% D)9% E)34%
2)_______what is the probability that a student from the class eats breakfast or flosses their teeth?
A)34% B)57% C)91% D)9% E)11%
*Could you please tell me step by step how to do each problem? Thank You so much for helping me !! :)
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
1.
% => answer is E)
2.
P(A∩B) = P(A) + P(B) - P(AUB) <------- Identity that you should know
% = % + % -
= %+% - %
= % - %
= %...... so, answer is C)%
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