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Stolb23 [73]
2 years ago
6

Ms. Johnson’s class running a food drive . The 20 students collected 180 cans .

Mathematics
1 answer:
Ivan2 years ago
5 0

Each student collected 9 cans each. Just divide 180 by 20. :))

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You are interested in estimating the the mean age of the citizens living in your community. In order to do this, you plan on con
Assoli18 [71]

Question:

You are interested in estimating the the mean age of the citizens living in your community. In order to do this, you plan on constructing a confidence interval; however, you are not sure how many citizens should be included in the sample. If you want your sample estimate to be within 5 years of the actual mean with a confidence level of 97% , how many citizens should be included in your sample? Assume that the standard deviation of the ages of all the citizens in this community is 18 years.

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4 0
3 years ago
Good Luck! :) Try your best.
ivanzaharov [21]

Answer:

( 2 , 6 )

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Your going over two and up six. Rise over run is a good thing to remember when doing these.

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3 years ago
Someone helppp please :)))
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