Posted by Suzie on Sunday, April 12, 2009 at 5:05pm.
In 2003, the probability that a randomly chosen bag of cement from the world supply was consumed in the U.S. was .05, while the probability that it was consumed in China was .45. What is the probability that a randomly chosen bag of cement was consumed in neither country?

COLLEGE MATH  bobpursley, Sunday, April 12, 2009 at 7:18pm
There is no joint probability, that is, it cannot be consumed in China and US.
Therefore, Prob(notconsumedChinaorUS)=1prob(US)prob(China)=.50

COLLEGE MATH  Sabrina, Monday, April 13, 2009 at 8:37pm
According to the New York Times/CBS poll of March, 2005, 87% agreed that it should be the government's responsibility to provide a decent standard of living for the elderly, and 54% agreed that it would be a good idea to invest part of their Social Security taxes on their own.
What is the smallest percentage of people who could have agreed with both statements?
What is the largest percentage of people who could have agreed with both statements?
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