Question: Average mpg Frequency 15 x < 20 11 20 x < 25 12 25 x < 30 28 30 x < 35 29 35 x

Average mpg Frequency
15 x < 20 11
20 x < 25 12
25 x < 30 28
30 x < 35 29
35 x < 40 13
40 x < 45 23

What proportion of the cars got at least 30 mpg but less than 35 mpg? (Round your answer to 4 decimal places.)

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