A survey of 300 parks showed the following. 5 had only camping. 20 had only hiking trails.

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A survey of 300 parks showed the following.

5 had only camping.

20 had only hiking trails.

35 had only picnicking.

185 had camping.

140 had camping and hiking trails.

125 had camping and picnicking.

210 had hiking trails.

Determine the number of parks that

(a) had at least one of these features.

(b) had all three features

(d) had exactly two of these features.

Draw a Venn diagram to obtain the answers.

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A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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Question Posted: Dec 26, 2018 12:44 PM

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A survey of 300 parks showed the following. 5 had only camping. 20 had only hiking trails.

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First fill in 15 20 and 35 on the Venn diagram Referring to the ...View the full answer

A Survey of Mathematics with Applications

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