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noslengerman
noslengerman
19.01.2021 • 
Mathematics

A study of more than 3,000 toco toucans found that their weights were approximately Normally distributed, with a mean of 20 ounces and a standard deviation of 2.3 ounces. Let Y be the weight of a randomly chosen toco toucan. Which of the following correctly interprets the value of P(Y < 16)? Find the z-table here.
P(Y < 16) = 0.50. About 50% of all toco toucans weigh less than 16 ounces.
P(Y < 16) = 0.041. About 4.1% of all toco toucans weigh less than 16 ounces.
P(Y < 16) = 0.959. About 95.9% of all toco toucans weigh less than 16 ounces.
P(Y < 16) = 0.041. About 4.1% of the toco toucans from this group weigh less than 16 ounces.
P(Y < 16) = 0.959. About 95.9% of the toco toucans from this group weigh less than 16 ounces.

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