Question

0. 1. 9. In Sujata asked 100 coffee drinkers whether they like cream or sugar in their coff According to Venn diagram below, how many like. (a) Cream (b) Sugar (c) Sugar but not cream (d) Cream but not sugar (e) Cream and sugar (f) Cream or sugar​

Answer 1

36, 55 , 35, 16, 20, 71

Explanation:

Total number of coffee drinkers, U = 100

Let

n(Cream) = C

n(Sugar) = S

n(cream and sugar) = n(CnS) = 20

Number that like cream = n(C) + n(CnS) 16 + 20 = 36

Nunber that like sugar = n(S) + n(CnS) = 35 + 20 = 55

Sugar but not cream = 35 (from. Venn diagram)

Cream but not sugar = 16 (From. Venn diagram)

Cream and sugar = n(CnS) = 20

Cream or sugar = n(CuS) = 16 + 20 + 35 = 71