Mathematics, 20.11.2020 14:00 mxdv
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 94%, 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 22 years.
Answers: 3
Mathematics, 21.06.2019 23:30
Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000
Answers: 1
Mathematics, 21.06.2019 23:30
Fill in the table with whole numbers to make 430 in five different ways
Answers: 1
You are interested in estimating the the mean age of the citizens living in your community. In order...
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