Reference no: EM132851207

Use Venn diagrams and set concepts to solve applicationIn a survey of 99 ?resorts, it was found that

31 had a spa.

53 had a fitness center.

46 had a? children's club.

12 had a spa and a fitness center.

11 had a spa and? children's club.

21 had a fitness center and? children's club.

7 had all three features.

?a) How many of the resorts surveyed had only a? spa?

?b) How many of the resorts surveyed had exactly one of these? features?

c) How many of the resorts surveyed had at least one of these? features?

?d) How many of the resorts surveyed had exactly two of these? features?

?e) How many of the resorts surveyed had none of these? features?