M00N2H1N3
M00N2H1N3 M00N2H1N3
  • 24-11-2022
  • Mathematics
contestada

A forest ranger wants to do a survey to check the general health of the trees in their care. These are:
Oak 50
Beech 40
Walnut 10
Pine 80
Spruce 20
They have enough time to survey 40 trees, and they want to do a stratified survey. How many trees are there? How many oaks should they survey? How many pines should they survey?​

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