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Mathematics, 21.06.2019 19:30
Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500
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Mathematics, 21.06.2019 22:30
The moats separating people from the animals are 5 m wide for lions and 4 m wide for the elephants. if the lion’s moat is 4 m deep, how deep should the elephants’ moat be?
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Mathematics, 22.06.2019 03:30
Ling is using fraction strips to add 2/3 and 7/12's the sum is one whole plus how many twelves?
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Mathematics, 14.04.2021 15:30
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