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Question 4

T

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 Hustle, Mambo, and Salsa:

Hustle

232

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323

203

220

345

Salsa

222

Mambo

244

305

A

Ih

Σ

B/nSalsa

a) How many students competed In Hustle & Mambo or competed In Mambo & Salsa?

b) How many students competed In Mambo & Salsa, but not Hustle?

c) How many students competed In Hustle, Mambo, or Salsa?

d) How many students competed In none of these three dances?

e) How many students competed in Hustle or Salsa, but not Mambo?

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305

DM