Angela R.

asked • 02/24/16

Venn Diagrams

Hi there,
Parks a survey of 300 parks showed the following:
 
15 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 hicking trails
 
Determine the number of parks that
1. Didn't have any of these features
2. Had exactly two of these features

2 Answers By Expert Tutors

By:

Kenneth S. answered • 02/24/16

Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018

David W. answered • 02/24/16

Experienced Prof

David W.

tutor
Since Kenneth S. posted a good answer, I'll leave this.  It is what a teacher does to correct student work.  Want to be my teacher??
 
Oh, yes, lots of people get tripped up with logical AND and OR.  Be careful!
Report

02/24/16

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.