A survey of 2321 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 427 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). (a) Obtain point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. D= (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. ✓ less The sample 10, and the ✓a simple random sample, the value of ▼is which is than or equal to 5% of the (Round to three decimal places as needed.) country who have donated blood in the past two years. Select the correct choice below and fill in any answer boxes within your choice. (c) Construct and interpret a 90% confidence interval for the population proportion of adults in t (Type integers or decimals rounded to three decimal places as needed. Use ascending order.) and OA. There is a OB. We are % probability the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between % confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and
A survey of 2321 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 427 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). (a) Obtain point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. D= (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. ✓ less The sample 10, and the ✓a simple random sample, the value of ▼is which is than or equal to 5% of the (Round to three decimal places as needed.) country who have donated blood in the past two years. Select the correct choice below and fill in any answer boxes within your choice. (c) Construct and interpret a 90% confidence interval for the population proportion of adults in t (Type integers or decimals rounded to three decimal places as needed. Use ascending order.) and OA. There is a OB. We are % probability the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between % confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A survey of 2321 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 427 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).
(a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years.
p=
(Round to three decimal places as needed.)
(b) Verify that the requirements for constructing a confidence interval about p are satisfied.
less
which is
10, and the
The sample
is
a simple random sample, the value of
than or equal to 5% of the
(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
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
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
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