Mathematics, 02.11.2020 17:00 emmadownum
A survey is planned to estimate the proportion of voters who support a proposed gun control law. The estimate should be within a margin of error of with 99% confidence, and we do not have any prior knowledge about the proportion who might support the law. How many people need to be included in the sample
Answers: 3
with 99 %confidence, and we do not have any prior knowledge about the proportion who might support the law. How many people need to be included in the sample?
is Â
because  from the question they do not have any prior knowledge about the proportion who might support the law![n = [\frac{Z_{\frac{\alpha }{2} }}{E} ]^2 * \^ p (1 - \^ p )](/tpl/images/0860/2048/c7923.png)
Another question on Mathematics
Mathematics, 21.06.2019 12:40
An electronics manufacturer wants to know if customers would be interested in a detachable keyboard for their tables and if so, what the most important features would be. the manufacturer partners with an electronics store to include copies of the survey with every purchase at that store for one week. which of the following best explains why this random sample is unlikely to be a good representative sample of tablet owners' preferences for a detachable keyboard? a) one week is likely not enough time to get a large enough sample. b) most people won't bother to send in the survey, which is likely to skew the results c) there is no way to verify whether the responders to the survey actually own a tablet d) the survey is biased because it was conducted through an electronics store, not the general population
Answers: 2
Mathematics, 21.06.2019 16:30
You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles
Answers: 3
Mathematics, 21.06.2019 18:30
True or false? a circle could be circumscribed about the quadrilateral below.
Answers: 3
Mathematics, 21.06.2019 18:30
David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?
Answers: 1
You know the right answer?
A survey is planned to estimate the proportion of voters who support a proposed gun control law. The...
Questions
Chemistry, 27.05.2020 21:02
Biology, 27.05.2020 21:02
History, 27.05.2020 21:02
English, 27.05.2020 21:02
Mathematics, 27.05.2020 21:02
Computers and Technology, 27.05.2020 21:02
