1P Unit Four Assessment SPR 24(1) - Protected View Saved V gn Layout References Mailings Review View Help Search em the Internet can contain viruses. Unless you need to edit, it's safer to stay in Protected View. MAT 120: Unit Four Test Name: Enable Editing Be sure to give CLEAR answers with explanation where is it appropriate. If you write your answers and upload a photo of your test, make CERTAIN that it is a clear photo and your writing is legible. 1. Determine the critical value, Za/2, that corresponds to the given level of confidence. (3 points each) a. 90% b. 84% I 2. A Rasmussen Reports national survey of U.S. adults reported that 22% dreaded exercising. The margin of error in the survey was 3.7%. What is the confidence interval for the true proportion of adults who dreaded exercising in this situation? Just give the interval. (6 points) 3. In a USA Today/Gallup poll, 834 out of 1024 randomly selected adult Americans aged 18 or older stated that a candidate's positions on the issue of abortion is extremely or very important in determining their vote for president. a. Compute a point estimate, p, for the proportion of adult Americans aged 18 or older for which the issue of abortion is extremely important. Show how you got your answer. (2 points) b. Verify that the requirements for constructing a confidence interval for p are satisfied. (6 points) Search Focu
1P Unit Four Assessment SPR 24(1) - Protected View Saved V gn Layout References Mailings Review View Help Search em the Internet can contain viruses. Unless you need to edit, it's safer to stay in Protected View. MAT 120: Unit Four Test Name: Enable Editing Be sure to give CLEAR answers with explanation where is it appropriate. If you write your answers and upload a photo of your test, make CERTAIN that it is a clear photo and your writing is legible. 1. Determine the critical value, Za/2, that corresponds to the given level of confidence. (3 points each) a. 90% b. 84% I 2. A Rasmussen Reports national survey of U.S. adults reported that 22% dreaded exercising. The margin of error in the survey was 3.7%. What is the confidence interval for the true proportion of adults who dreaded exercising in this situation? Just give the interval. (6 points) 3. In a USA Today/Gallup poll, 834 out of 1024 randomly selected adult Americans aged 18 or older stated that a candidate's positions on the issue of abortion is extremely or very important in determining their vote for president. a. Compute a point estimate, p, for the proportion of adult Americans aged 18 or older for which the issue of abortion is extremely important. Show how you got your answer. (2 points) b. Verify that the requirements for constructing a confidence interval for p are satisfied. (6 points) Search Focu
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
Related questions
Question
Transcribed Image Text:1P
Unit Four Assessment SPR 24(1) - Protected View Saved V
gn Layout
References Mailings
Review View
Help
Search
em the Internet can contain viruses. Unless you need to edit, it's safer to stay in Protected View.
MAT 120: Unit Four Test
Name:
Enable Editing
Be sure to give CLEAR answers with explanation where is it appropriate. If you write your answers and upload a
photo of your test, make CERTAIN that it is a clear photo and your writing is legible.
1. Determine the critical value, Za/2, that corresponds to the given level of confidence. (3 points each)
a. 90%
b. 84%
I
2. A Rasmussen Reports national survey of U.S. adults reported that 22% dreaded exercising. The margin of error in
the survey was 3.7%. What is the confidence interval for the true proportion of adults who dreaded exercising in
this situation? Just give the interval. (6 points)
3. In a USA Today/Gallup poll, 834 out of 1024 randomly selected adult Americans aged 18 or older stated that a
candidate's positions on the issue of abortion is extremely or very important in determining their vote for
president.
a. Compute a point estimate, p, for the proportion of adult Americans aged 18 or older for which the issue of
abortion is extremely important. Show how you got your answer. (2 points)
b. Verify that the requirements for constructing a confidence interval for p are satisfied. (6 points)
Search
Focu
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 4 images
Recommended textbooks for you
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON