Mathematics, 13.11.2019 19:31 suzyleonardsl0
Aresearcher studying public opinion of proposed social security changes obtains a simple random sample of 35 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) 15% of all adult americans support the changes.
(b) 20% of all adult americans support the changes .
Answers: 2
Mathematics, 21.06.2019 16:30
You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.
Answers: 2
Mathematics, 21.06.2019 22:00
Harry and jay are both flying on the same plane with an airline that randomly assigns seats to passengers. of the 182 total seats on the plane, 62 are window seats, 58 are middle seats, and the rest are aisle seats. what is the approximate probability that both harry and jay will be assigned aisle seats on the same plane? a. 11.48% b. 3.3% c. 2.08% d. 26.26%
Answers: 3
Mathematics, 21.06.2019 23:30
Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.
Answers: 1
Mathematics, 21.06.2019 23:30
Solve the following: 12(x^2โxโ1)+13(x^2โxโ1)=25(x^2โxโ1) 364xโ64x=300x
Answers: 1
Aresearcher studying public opinion of proposed social security changes obtains a simple random samp...
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