Question Help ▼ A survey of 2305 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 411 have donated blood in the past two years. Complete parts (a) through (c) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). p= 0.178 (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample can be assumed to be a simple random sample, the value of np(1-p) is 337.258 , which is greater than or equal to 10, and the sample size can be assumed to be less than or equal to 5% of the population size. (Round to three decimal places as needed.) (c) Construct and interpret a 90% confidence interval for the population proportion of adults in the country who have donated blood in the past two years. Select the correct choice below and fill in any answer boxes within your choice. (Type integers or decimals rounded to three decimal places as needed. Use ascending order.) and O A. There is a % probability the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and O B. We are % confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between Click to select and enter your answer(s) and then click Check Answer.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
Question Help
A survey of 2305 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 411 have donated blood in the past two years. Complete parts (a)
through (c) below.
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
p= 0.178
(Round to three decimal places as needed.)
(b) Verify that the requirements for constructing a confidence interval about p are satisfied.
The sample
can be assumed to be
a simple random sample, the value of np(1-p) is 337.258 , which is greater than or equal to 10, and the
can be assumed to be
less than or equal to 5% of the population size.
sample size
(Round to three decimal places as needed.)
(c) Construct and interpret a 90% confidence interval for the population proportion of adults in the country who have donated blood in the past two years. Select the correct choice below and fill
in any answer boxes within your choice.
(Type integers or decimals rounded to three decimal places as needed. Use ascending order.)
OA. There is a
% probability the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between
and
B. We are
% confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between
and
Fi
Click to select and enter your answer(s) and then click Check Answer.
All parts showing
Clear All
Check Answer
MAY
PACES
6.
W
吕口
F3
esc
F1
F2
F4
F5
F6
F7
F8
F9
F10
F11
23
$
%
&
*
1
2
3
4
5
7
8
Q
R
Y
U
P
E
Transcribed Image Text:Question Help A survey of 2305 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 411 have donated blood in the past two years. Complete parts (a) through (c) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). p= 0.178 (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample can be assumed to be a simple random sample, the value of np(1-p) is 337.258 , which is greater than or equal to 10, and the can be assumed to be less than or equal to 5% of the population size. sample size (Round to three decimal places as needed.) (c) Construct and interpret a 90% confidence interval for the population proportion of adults in the country who have donated blood in the past two years. Select the correct choice below and fill in any answer boxes within your choice. (Type integers or decimals rounded to three decimal places as needed. Use ascending order.) OA. There is a % probability the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and B. We are % confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and Fi Click to select and enter your answer(s) and then click Check Answer. All parts showing Clear All Check Answer MAY PACES 6. W 吕口 F3 esc F1 F2 F4 F5 F6 F7 F8 F9 F10 F11 23 $ % & * 1 2 3 4 5 7 8 Q R Y U P E
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman