Mathematics, 06.11.2020 19:40, DantesinfernoxD9964
A television newscaster from a 24-hour news station wants to estimate the number of hours per day its viewers
watch programming on this channel. The newscaster randomly selects 100 viewers and asks them how many hours
per day they watch this station. The newscaster constructs an 85% confidence interval for the true mean number of
hours viewers watch this station. Which of the following would decrease the margin of error?
using a sample of size 50
O using a sample of size 200
O constructing a 90% confidence interval
O constructing a 95% confidence interval
Answers: 1
Mathematics, 20.06.2019 18:02, cutiecat66
This is a table of values that follows a given rule or function. each output comes from the input being applied to the rule.
Answers: 1
Mathematics, 21.06.2019 16:10, bananaslada
Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.
Answers: 3
Mathematics, 21.06.2019 20:00, Chen5968
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
A television newscaster from a 24-hour news station wants to estimate the number of hours per day it...
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