 # In a certain small town, 65% of the households subscribe to the daily paper, 37% subscribe to the weekly local paper, and 25% subscribe to both papers Globokim8 2021-02-09 Answered
In a certain small town, 65% of the households subscribe to the daily paper, 37% subscribe to the weekly local paper, and 25% subscribe to both papers. a. Make a two-way table to represent this data. b. If a household is selected at random, what is the probability that it subscribes to at least one of the two papers? Shade these areas in your table. c. Charlie's neighbor subscribes to at least one paper. What is the probability that he receives the daily paper?
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$P\left(\text{either}\right)=0.25+0.12+0.4=0.77=77\mathrm{%}$
c) Use the multiplication rule:
$P\left(\text{dailty/either}\right)=\frac{\text{P(Daily and Either)}}{\text{P(Either)}}=\frac{0.65}{0.77}\approx 0.844=84.4\mathrm{%}$
result a. Table
b. 77%
c. 84.4%