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Suppose the length of an oarfish is normally distributed with a mean of 6.5 m and a standard deviation of 1.5 m.

Which group describes 16% of the oarfish population?

Select each correct answer.

 

oarfish that are shorter than 5 m

oarfish that are between 6.5 m and 9.5 m

oarfish that are longer than 8 m

oarfish that are between 3.5 m and 9.5 m

 

 

The weights of bags of ready-to-eat salad are normally distributed with a mean of 290 grams and a standard deviation of 10 grams.

What percent of the bags weigh less than 280 grams?

 

13.5%

16%

34%

36.5%

jbouyer  Mar 13, 2018
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Hi

in the first question the second and fourth responses are the correct ones and in the second question

 

the answer is 16%

Guest Mar 14, 2018

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