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:
Answer:
Step-by-step explanation:
incomplete. no results listed below
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Answer:
The answer is 57.83
Step-by-step explanation:
find 8% of 45.90 and add 18% of 45.90 and add them together.
8%*45.90=3.67
18%*45.90=8.26
Add, 45.90+8.26+3.67
The final price of your meal is 57.83
Answer:
The second one is correct.
Answer:
Step-by-step explanation:
no because each y value doesn’t increase uniformly
