Question: Here is a frequency table summarising a sample of weekly sales revenue ($000) for a store: Class Frequency (10, 15] 11 (15, 20] 15 (25,

Here is a frequency table summarising a sample of weekly sales revenue ($000) for a store:

Class

Frequency

(10, 15]

11

(15, 20]

15

(25, 30]

10

(30, 35]

21

What fraction of weeks had sales revenue less than or equal to $30,000? Please give your answer to two decimal places, (NOT as a percentage).

Answer:

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