Beverly is conducting a survey on the students in her class. She discovers that of the...

  

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Beverly is conducting a survey on the students in her class. She discovers that of the 18 boys in the class, 5 are left-handed, and of the 12 girls in the class, 9 are right-handed. No students are ambidextrous. She defined the following sets for use in the survey: G = {girls} B = {boys} L= {left-handed} a) State a suitable universal set for this example. b) List two pairs of sets that are disjoint. c) Complete the following: i) n(B)= ii) n(L) = iii) n(BL) = R={right-handed} iv) n(BUL)= Beverly is conducting a survey on the students in her class. She discovers that of the 18 boys in the class, 5 are left-handed, and of the 12 girls in the class, 9 are right-handed. No students are ambidextrous. She defined the following sets for use in the survey: G = {girls} B = {boys} L= {left-handed} a) State a suitable universal set for this example. b) List two pairs of sets that are disjoint. c) Complete the following: i) n(B)= ii) n(L) = iii) n(BL) = R={right-handed} iv) n(BUL)=