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31 October, 15:21

According to a survey, 75% of adults in the united states think the u. s. government system is broken. of these 75%, about 7 out of 10 think that the government can be fixed.

a. find the probability that a randomly selected adult thinks the u. s. government system is broken and thinks the government can be fixed.

b. given that a randomly selected adult thinks the u. s. government system is broken, find the probability that he or she thinks the government cannot be fixed.

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  1. 31 October, 15:31
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    1. Probability that a randomly selected adult thinks the U. S. government system is broken and can be fixed:

    P (A and B) = P (A) * P (B|A) =.75 *.7 = 0.525

    2. Probability that given that a randomly selected adult thinks the U. S. government system, he or she thinks the government cannot be fixed.

    P (B|A) = (1 - P (B|A) = 3/10 = 0.3
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