subject
Mathematics, 04.05.2021 19:30 daniecott

You are employed by a polling firm that has been hired by a candidate in an upcoming election. This campaign has asked for polling results for the proportion of students from a particular college that will likely vote for the candidate. A random sample of 78 students were interviewed and 59 said they would vote for the in the 2021 election. Let p represent the proportion of all students at this college who will vote for this candidate.1. Find the point estimate for p (state symbol and value)2. What distribution will you use for this confidence interval? 3. Indicate the critical value for a 90% confidence interval for p4. Calculate the standard error for this sample.5. Calculate the Maximal Margin of Error for the confidence interval. 6. Using the above calculations find a 90% confidence interval for p. 7. The campaign that hired your firm wants a confidence interval with a Maximal Margin of Error (E) of 0.05. How many students need to be interviewed for the sample to have an E of 0.05?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 22.06.2019 00:20
How is this equation completed? i cannot find any examples in the book.
Answers: 1
question
Mathematics, 22.06.2019 00:30
Efficient homemakers ltd. makes canvas wallets and leather wallets as part of a money-making project. for the canvas wallets, they need two yards of canvas and two yards of leather. for the leather wallets, they need four yards of leather and three yards of canvas. their production unit has purchased 44 yards of leather and 40 yards of canvas. let x be the number of leather wallets and y be the number of canvas wallets. draw the graph showing the feasible region to represent the number of the leather and canvas wallets that can be produced.
Answers: 1
question
Mathematics, 22.06.2019 03:00
For a house call, a veterinarian charges $70, plus $40 an hour. a. write an equation that represents the total fee y y (in dollars) the veterinarian charges for a visit lasting x x hours. equation: y= y= no response given b. find the x-intercept. x-intercept:
Answers: 2
question
Mathematics, 22.06.2019 04:30
Where would an imaginary line need to be drawn to reflect across an axis of symmetry so that a regular pentagon can carry onto itself
Answers: 1
You know the right answer?
You are employed by a polling firm that has been hired by a candidate in an upcoming election. This...
Questions
question
World Languages, 03.02.2020 19:54
question
Mathematics, 03.02.2020 19:54
Questions on the website: 13722363