In a survey of $95$ residents, $50$ use bus service $B$, $38$ use train service $T$, and \

Question

In a survey of $95$ residents, $50$ use bus service $B$, $38$ use train service $T$, and $9$ use neither service. Find the number who use both services. Draw a Venn diagram to illustrate the information. Find the number who use bus service but not train service.

Accepted Answer

(a) $2$; (c) $48$.

Sec 3/4 E Math T12-Q21 - A survey represented by a Venn diagram

Sec 3/4 E Math T12-Q21 - A survey represented by a Venn diagram

Solution:

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