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In the United States, 43% of people wear a seat belt while driving. If two people are chosen at random, what is the probability that both of them wear a seat belt?

the answer is 18% but i can't figure it out.

2007-01-26 10:14:56 · 2 answers · asked by Ha!! 2 in Science & Mathematics Mathematics

2 answers

43% of 43% is 18.49%

probability of the first is 43% or .43
probability of the second is .43

to calculate the probability of both, you multiply the individual probabilities...

.43 * .43 = .1849

Hope this helps! :)

2007-01-26 10:19:33 · answer #1 · answered by disposable_hero_too 6 · 2 0

0.43^2 = 18.49%

2007-01-26 18:22:13 · answer #2 · answered by sahsjing 7 · 2 0

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