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the probability that Kenya receives spam email is 4%. if she receives 520 emails in a week, about how many of them can she expect to be spam

Respuesta :

About 21 (20.8 to be exact.)


4% in decimal form is 0.04, so you multiply 520 by 0.04.
steverude
4% * 520 = 20.8  Kenya would expect to receive 20.8 spam emails.

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