The first pic is the question. Since the tutors are answering incorrectly more often, the second pic is an “example question” Travel to Outer Space A CBS News/New York Times poll found that 329 outof 763 randomly selected adults said they would travel to outer space in theirlifetime, given the chance. Estimate the true proportion of adults who wouldlike to travel to outer space with 97% accuracy. Round your answers to atleast three decimal places. Sample QuestionTravel to Outer Space A CBS News/New YorkTimes poll found that 329 out of 763 randomlyselected adults said they would travel to outerspace in their lifetime, given the chance.Estimate the true proportion of adults whowould like to travel to outer space with 92%accuracy. Round your answers to at least threedecimal places.ExplanationFormula for a Specific ConfidenceInterval for a ProportionMpqpgP-²α/² √

It is given that n=763 and x=329.

Travel to Outer Space A CBS News/New York Times poll found that 329 out of 763 randomly selected adults said they would travel to outer space in their lifetime, given the chance. Estimate the true proportion of adults who would like to travel to outer space with 97% accuracy. Round your answers to at least three decimal places.

Travel to Outer Space A CBS News/New York Times poll found that 329 out of 763 randomly selected adults said they would travel to outer space in their lifetime, given the chance. Estimate the true proportion of adults who would like to travel to outer space with 97% accuracy. Round your answers to at least three decimal places.

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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Question

100%

The first pic is the question. Since the tutors are answering incorrectly more often, the second pic is an “example question”

Travel to Outer Space A CBS News/New York Times poll found that 329 out
of 763 randomly selected adults said they would travel to outer space in their
lifetime, given the chance. Estimate the true proportion of adults who would
like to travel to outer space with 97% accuracy. Round your answers to at
least three decimal places.
<p<

Sample Question
Travel to Outer Space A CBS News/New York
Times poll found that 329 out of 763 randomly
selected adults said they would travel to outer
space in their lifetime, given the chance.
Estimate the true proportion of adults who
would like to travel to outer space with 92%
accuracy. Round your answers to at least three
decimal places.
Explanation
Formula for a Specific Confidence
Interval for a Proportion
M
pq
pg
P-²α/² √
<p<p +²a/2\
n
n
when n p and nq are each greater
than or equal to 5.
Since a 1-0.92-0.08, Za/2=1.75.
Find and .
329
p= =
n
763
= 0.431
q=1-p=1-0.431
= 0.569
Calculate the confidence interval.
Za/2
pq
n
(0.431) (0.569)
0.431 1.75
<p<0.431 +1.75
763
0.431 0.031 <p<0.431+0.031
0.400<p<0.462
Hence, we can be 92% confident that the
proportion of adults who would go into outer
space is between 40.0% and 46.2%, based on a
sample of 763 people.
pq
n
(0.431) (0.569)
763
<p<p +²a/2

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