dcefeefef4128 dcefeefef4128
  • 22-02-2024
  • Mathematics
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In a school of 310 fish with a mean length of 79 cm and a standard deviation of 10 cm, approximately how many fish would be longer than 69 cm?
a) 260 fish
b) 42 fish
c) 302 fish
d) 105 fish

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