1 answer

Confidence Intervals for Means and Proportions: Problem 9 Previous Problem List Next (1 point) A poll...

Question:

Confidence Intervals for Means and Proportions: Problem 9 Previous Problem List Next (1 point) A poll is taken in which 384 out of 525 randomly selected voters indicated their preference for a certain candidate Find a 90% confidence interval for p to Note: You can earn partial credit on this problem. Preview My AnswersSubmit Answers You have attempted this problem 0 times. You have 99 attempts remaining Email instructor
Confidence Intervals for Means and Proportions: Problem 9 Previous Problem List Next (1 point) A poll is taken in which 384 out of 525 randomly selected voters indicated their preference for a certain candidate Find a 90% confidence interval for p to Note: You can earn partial credit on this problem. Preview My AnswersSubmit Answers You have attempted this problem 0 times. You have 99 attempts remaining Email instructor

Answers

Solution:- Given X = 384 , n = 525

p = X/n = 384/525 = 0.731

q = 1 - p = 1 - p = 1-0.73 = 0.269

90% confidence interval for the Z = 1.645

90% confidence interval for p = p +/- Z*sqrt(pq/n)
= 0.731 +/- 1.645*sqrt(0.731*0.269/525)
= 0.699 , 0.763

.

Similar Solved Questions

1 answer
Answer these questions following: 1. When all other variables are held constant and selling price is...
Answer these questions following: 1. When all other variables are held constant and selling price is decreased, the break even point will be a. higher b. lower c. not changed 2. Bridal Shoppe sells wedding dresses. The cost of each dress is comprised of the following: Selling price of $500 and varia...
1 answer
48. It’s Friday, and you decide to save your change from your pockets each day for...
48. It’s Friday, and you decide to save your change from your pockets each day for the coming week and, take the amount each Friday to save in the bank. If you save $20 a week for 10 years at 6 percent interest? Assume the first payment occurs at the end of the first week and that there are ex...
1 answer
Grand Clothing is a manufacturer of designer suits. For June 2017, each sut is budgeted to...
Grand Clothing is a manufacturer of designer suits. For June 2017, each sut is budgeted to take 5 labor-hours. The budgeted number of suits to be manufactured in June 2017 is 1.200 Grand Clothing allocates fixed manufacturing overhead to each suit using budgeted direct manufacturing labor hours per ...
1 answer
Questions 1-4 PN 105 Fundamentals of Nursing I Mineral Supplement - Iron hered level o hes...
Questions 1-4 PN 105 Fundamentals of Nursing I Mineral Supplement - Iron hered level o hes nformed the AP is pregnant and takes two 325 mg tablets of ferrous sulfate. She has a 2 year-old degrees. daughter, wesk, and she follows a low 1. What precautions should AP take in regard to the container ...
1 answer
Lisbon Corporation is analyzing the following costs with respect to its decision to expand production and...
Lisbon Corporation is analyzing the following costs with respect to its decision to expand production and sales volume:   • New delivery equipment cost, $170,000.   • Annual depreciation expense on the new delivery equipment, $17,000.   • Old de...
2 answers
Area
if 1800 ft of fencing is available to build fiveadjacentpens,express the total area of the pens as a function ofx?what value of x will maximize the total area?...
1 answer
Order: cefepime 500 mg IV q.12h Supply: Maxipime (cefepime) 1 g powder for injection vial Directions:...
Order: cefepime 500 mg IV q.12h Supply: Maxipime (cefepime) 1 g powder for injection vial Directions: Reconstitute with 2.4 mL diluent for an approximate available volume of 3.6 mL and a concentration of 280 mg/mL How many mL will the nurse administer?...
1 answer
SaffSpring 2019 Professor Question 1: Answer ALL of the following questions based on this provide...
I need sub-questions e, f, g, h. SaffSpring 2019 Professor Question 1: Answer ALL of the following questions based on this provided int daya int montha Date int dnt int y day-d year class Event ring locatson eventbat Event (5tring , Dated ocatlon- event Date-d pubiie String toStringt String deta...
1 answer
Please use the half-reaction method! 1. Balance the following redox reactions, using the rules on p....
Please use the half-reaction method! 1. Balance the following redox reactions, using the rules on p. 97 or the half-reaction method, whichever makes more sense to you. a. PbO2() → Pb2+ + O2 b. FeS2(pyrite) + NO3 → N2(g) + FeOOH goethite) + SO42-...
1 answer
1 of 7 What effect does inflation have on the purchasing power of a dollar? Oa....
1 of 7 What effect does inflation have on the purchasing power of a dollar? Oa. A dollar can buy much more than it did before. b. A dollar can buy a little more than it did before. c. A dollar can buy the same as it did before. d. A dollar can buy less than it did before....
1 answer
Please Do Only Part 3 and 4, I am having issues visualizing where the cuts just...
Please Do Only Part 3 and 4, I am having issues visualizing where the cuts just before and after each force go and how to determine the moment and bending diagrams from this. Thanks for your help. Problem 1) Draw the shear and bending-moment diagrams for the beam and loading shown, and determine the...
1 answer
Need assistance with small piece of larger assignment writing a recursive division algorithm (Java). The assignment is t...
Need assistance with small piece of larger assignment writing a recursive division algorithm (Java). The assignment is to write a recursive division algorithm to build a maze in a 2D array. I have code that will randomly generate vertical and horizontal walls and randomly place doorways in the walls...
1 answer
Ch 08 HW Introduction to Resonance Resources a previous | 7 of 8 Inext » Introduction...
Ch 08 HW Introduction to Resonance Resources a previous | 7 of 8 Inext » Introduction to Resonance Part A Learning Goal Which choice represents a pair of resonance structures? Note that lone pairs have been omitted for clarity. To understand what resonance means and when it Hints Three resonan...
1 answer
Use the Bohr model to find the second longest wavelength of light in the Paschen series...
Use the Bohr model to find the second longest wavelength of light in the Paschen series for a triply-ionized Be atom (Z = 4). Recall that the Paschen series corresponds to transitions to the second excited state (n = 3). 13.5 nm O 117 nm O 73.0 nm O 41.1 nm 80.2 nm...
1 answer
Name: Affective Competency: II.A.1. Reassure a patient of the accuracy of the test results Scenario: Pat...
Name: Affective Competency: II.A.1. Reassure a patient of the accuracy of the test results Scenario: Pat Brown came to see Dr. Miller for a 'funny feeling with her heart". Dr. Miller ordered an ECG for Pat. You prepare Pat for the test and obtain the ECG tracing. Per Dr. Miller's directi...
1 answer
If the product of two whole numbers is zero, then one of the factors is zero
if the product of two whole numbers is zero, then one of the factors is zero. To what axiom does this refer? I am unsure of the answer dealing wth axiom but im thinking it would possibly be the non zero divisor?? I dont know if im right...