Mathematics, 18.12.2020 21:00 Lesquirrel

It is believed that 25% of U. S. homes have a direct satellite television receiver. (Show your work on the back for both parts, since I have not left you enough space, but enter your answer here.) a. How large a sample is necessary to estimate the true population of homes which do with 95% confidence and within 3 percentage points?

b. How large a sample is necessary for a 95% confidence interval to be within 3 percentage points if nothing is known about the proportion?

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 12:30, sykirahopper123

Which pair of angles are vertical angles? ∠1 and ∠4 ∠1 and ∠2 ∠2 and ∠4 ∠2 and ∠3

Answers: 2

continue

Mathematics, 22.06.2019 02:20, evanlubbe53

At a cost of 200, your club bought 175 frisbees to sell at the pep rally. you plan on selling them for $5 each. what is the domain of the function?

Answers: 1

continue

Mathematics, 22.06.2019 03:00, travisvb

Will give the box plots below show the math scores of students in two different classes: class a 55 72 75 89 95 class b 55 70 75 94 100 based on the box plots, which statement is correct? a: the median score of class a is greater than the median score of class b. b: the lower quartile of class a is greater than the lower quartile of class b. c: the upper quartile of class a is greater than the upper quartile of class b. d: the maximum score of class a is greater than the maximum score of class b.

Answers: 1

continue

Mathematics, 22.06.2019 03:30, connienash95

If ∠q = 44°, then m = 44°. true false

Answers: 1

continue

You know the right answer?

It is believed that 25% of U. S. homes have a direct satellite television receiver. (Show your work...