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The number of emails a friend receive each day during last 20 days is shown below. what number of days she receive 19 or fewer e-mails in a day? a.7 b. 11 c. 12 d. 15

Kaitlin Dean

in Mathematics

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Kathy Robinson on June 20, 2018

To answer the problem of adding the frequencies which correspond to the email account you are 19 or less. So you're going to add the account that correspond to 0-9 10-19. So the frequency of 0-9 is 4 and the frequency 10 -19 is 7. So 4 + 7 = 11


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