“How many TV's are there in your household?” was one of the questions on a questionnaire sent to 5000 people in Japan. The collected data resulted in the following distribution:

Number of TV's/ Households: 0  1 2  3 4  5 or more

Percentage: 1.9%   31.4%  23.0%   24.4% 13.0% 6.3%
Source http://www.japan-guide.com/topic/10107.html

One of these households is selected at random.

A)  What percentages of the households have at least one TV?

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B)  What percentage of the households have at most 3 TV's?