Question
Here is a frequency table of the time delay (seconds) recorded for emails to be received: Class (seconds) Frequency (0, 120] 26 (120, 240] 6
Here is a frequency table of the time delay (seconds) recorded for emails to be received:
Class (seconds)
Frequency
(0, 120]
26
(120, 240]
6
(240, 360]
29
(360, 480]
4
(480, 600]
21
(600, 720]
27
How many emails were received in less than or equal to 480 seconds?
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Income Tax Fundamentals 2013
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
31st Edition
1111972516, 978-1285586618, 1285586611, 978-1285613109, 978-1111972516
