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Fifty people are grouped into four categories A,B,C, and D. And the number of people who fall into each category is shown in the table.

Fifty people are grouped into four categories A,B,C, and D. And the number of people who fall into each category is shown in the table. Category Frequency A. 12 B. 13 C. 19 D. 6 1) What proportion of the people are in category B, C or D? 2) what percentage of the people are not in Category B

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