# hw5-2 - letters of the alphabet (26). Complete the counts...

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Math 1160 - Section 5.2 Answer Key **Remember to use the Inclusion-Exclusion Principle** n (S T) = n (S) + n (T) - n (S T) 2. n (S T) = 21 (17 + 13 – 9) 4. n (S T) = 1 (15 = 4 + 12 - ?) 6. n (T) = 6 (14 = 14 + ? – 6) 10. n (Taking Math) = 800 (1000 = 600 + ? – 400) 11. Number of letters with no symmetry = 10 U = 26 The universal set is all the

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Unformatted text preview: letters of the alphabet (26). Complete the counts for each of the 4 regions. Find the count of the region outside the circles. 12. n ( Newsweek Time) = 450 (300 + 200 50) 16. 18. All regions except this one S T T S 5 7 4 10 H V 28. 30. 3 regions shared by R 38. R S T T S R T S R...
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## hw5-2 - letters of the alphabet (26). Complete the counts...

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