![subject](/tpl/images/cats/mat.png)
Mathematics, 03.08.2019 02:20 justiceharris8
Aresearcher studying public opinion of proposed social security changes obtains a simple random sample of 50 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) 10% of all adult americans support the changes
(b) 20% of all adult americans support the changes
(c) 25% of all adult americans support the changes
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00
You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30
Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)
Answers: 1
You know the right answer?
Aresearcher studying public opinion of proposed social security changes obtains a simple random samp...
Questions
![question](/tpl/images/cats/geografiya.png)
Geography, 29.01.2020 23:52
![question](/tpl/images/cats/himiya.png)
Chemistry, 29.01.2020 23:52
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mir.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 23:52
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 29.01.2020 23:52
![question](/tpl/images/cats/geografiya.png)
Geography, 29.01.2020 23:52
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 29.01.2020 23:52
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 23:52
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.01.2020 23:53
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)