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Ans = 3180 , 795
Answers
Answer:
3180,795
Step-by-step explanation:
People liked to visit China [ ie.P(C)] = 40%
People liked to visit Europe [ie.P(E)] = 50%
People liked to visit America [ie.P(A)] = 60%
People liked to visit both China & America [ie.P(CnA)] = 25%
People liked to visit both America & Europe [ie.P(AnE) = 20%
People liked to visit both Europe & China [ie.P(EnC)] = 25%
Universal set 'U' us taken as 100
Hence P(AnCnE)=P(U) - P(A)-P(C)-P(E)+P(AnC)+P(CnE)+P(EnA)-10
=>> 100-(60+40+50)+(25+25+20)-10
=>> 100-150+70-10
=>> 10%
Therefore 318 is 10% of 'U'
=>> Total people asked = 10x/100=318
=>> 10x=31800
=>> x=3180
Total number of people asked =3180
People liked to travel to America only
=>> P(A)-P(AnC)-P(AnCnE)-P(AnE)
=>> 60-15-10-10
=>> 25%
= 25% of total liked to travel to America
=>> 3180×25%
=>> 795
Total number of people liked to travel to America =795
Hope it helps you...
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