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Mathematics, 26.11.2019 16:31 unknown9263

Susan asks her classmates how many siblings each of them has, and lists the answers. she then finds the mean of these numbers, which turns out to be 2.4. she correctly concludes that
a) each person in her class has exactly 2.4 siblings.
b) some people in her class have exactly 2.4 siblings.
c) no person in her class has more than three siblings.
d) some person in her class has at least three siblings.

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