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According to a recent study, 60% of US adults regularly use at least one social networking program. Of the people who regularly use at least one social networking program, two-thirds characterize themselves as truly social. Approximately 30% of US adults characterize themselves as truly social but do not regularly use at least one social networking program. What proportion of US adults characterize themselves as truly social

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Answer: 70%

Explanation: There are two figures that add up to give us the answer:

Americans who use social networking program and are truly social = two thirds of 60% of American adults.

Americans who don't use social networking program and are truly social = 30% of American adults.

Americans who use social networking program and are truly social = [tex]\frac{2}{3}[/tex] X 60%

= 40%

Total poportion of US adults who characterize themselves as truly social = 40% + 30% = 70%

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