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4)
Deborah records the number of minutes late, t, for trains arriving at a station.
The histogram shows this information.
30
207
Frequency
density
107
20
10
15
Number of minutes late
(n) Find the number of trains that Deborah recorded
2

4 Deborah records the number of minutes late t for trains arriving at a station The histogram shows this information 30 207 Frequency density 107 20 10 15 Numbe class=

Respuesta :

Answer:

a is 25 b is 15 percent

Step-by-step explanation:

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