Question 314338
A survey showed that 23% of college students read newspapers on a regular basis and that 83% of college students regularly watch the news on TV. The survey also showed that 21% of college students both follow TV news regularly and read newspapers regularly.
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Sketch a 2x2 contingency table.  Post the given numbers. Drive the rest
of the fills.
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(a) What is the probability that a student watches TV news regularly, given that he or she regularly reads newspapers? Round your answer to 2 decimal places.
Ans: 21/23
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(b) What is the probability that a randomly selected college student reads newspapers regularly, given that he or she watches TV news regularly? Round your answer to 2 decimal places.
Ans: 21/83
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Cheers,
Stan H.