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steposvetlana [31]
3 years ago
9

A. 0 ≤ t ≤ 441 b. t ≤ 441 c. 0 ≤ t ≤ 42 d. t > 0

Mathematics
2 answers:
geniusboy [140]3 years ago
7 0

Answer:

490 is the answer

hope it helps you

Lera25 [3.4K]3 years ago
5 0

Answer:

a

Step-by-step explanation:

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LenaWriter [7]

The correct option is :  2

<u><em>Explanation</em></u>

For finding the mean number of working TV sets, we need to <u>divide the total number of TV sets by the total frequency</u>.

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