A survey was conducted at a local ballroom dance studio asking students what dan

Question

A survey was conducted at a local ballroom dance studio asking students what dances they competed in at the most recent competition. Below are the results for the dances Salsa, Hustle, and Rumba: Salsa Hustle 330 387 370 268 320 234 294 349 Rumba a) How many students competed in Salsa, Hustle, or Rumba b) How many students competed in Salsa or Rumba, but not Hustle? e) How many students competed in none of these three dances? d) How many students competed in Hustle & Rumba, but not Salsa? e) How many students competed in Salsa & Hustle or competed in Hustle & Rumba? Points possible: 10

Explanation / Answer

a). The no. of students who competed in Salsa, Hustle or Rumba is 387+330+268+320+ 370+234+294 = 2203.

b). The no. of students who competed in Salsa or Rumba, but not Hustle is 387+330+370 = 1087.

c). The no. of students who did not compete in any of these 3 dances is 349.

d). The no. of students who competed in Hustle & Rumba, but not Salsa, is 234.

e). The no. of students who competed in Salsa & Hustle or, competed in Hustle & Rumba is (330+268)+(234) = 832.

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