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2 years ago

7

A scientist estimates that the mean nitrogen dioxide level in a city is greater than 30 parts per billion. To test this estimate

, you determine the nitrogen dioxide levels for 31 randomly selected days. The results (in parts per billion) are listed below.

1 answer:

irina [24]2 years ago

3 0

Answer:

Step-by-step explanation:

incomplete. no results listed below

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Heya User !

Your Answer is in the attachment, do check out.

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