Mathematics, 29.06.2019 12:00 agray339
Aresearcher studying public opinion of proposed social security changes obtains a simple random sample of 30 adult americans and asks them whether or not they support the proposed changes. to say that the distribution of the sample proportion of adults who respond yes, is approximately normal, how many more adult americans does the researcher need to sample in the following cases? (a) 20% of all adult americans support the changes (b) 25% of all adult americans support the changes
Answers: 1
Mathematics, 21.06.2019 18:40
Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?
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Mathematics, 21.06.2019 20:30
The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent
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Mathematics, 21.06.2019 22:30
Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle
Answers: 3
Aresearcher studying public opinion of proposed social security changes obtains a simple random samp...
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