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Nabu's Knee-knocker
- A market research survey of 200 people found that 80% of the
people owned a VCR and only 50% of the people owned a computer.
In this survey, 75 people owned both a VCR and a computer. How
many people in the survey owned neither a VCR nor a computer?
_____________
Explain your answer.
- In the same survey, the researchers found that one-half of
the people owning a VCR used their VCR to watch movies they rent
and one-half used the VCR to tape TV shows. Still, 20% of the
VCR owners said they never used their VCR. Explain how this can
be true.
You may want to print this page and do your
work in the blank space below.
Scroll down the page to find a hint and the
solution to this problem.
Are you stumped? Do you need a hint? If so, click the Hint
button.
Do you think you've figured out all the solutions? If so, then click
the Solution button.
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