Homework Clinic

Mathematics Clinic => Grade 11 and 12 Mathematics => Topic started by: maegan_martin on Feb 2, 2020

Title: In a recent poll 4000 people were asked this question, "If you could pick anyone you want for Hero ...
Post by: maegan_martin on Feb 2, 2020

Question 1

A media research company increased the size of their random samples from 4100 to 4600. By how much, to the nearest tenth of a percent, did this improve their margin of error?
◦ 3%
◦ 1.5%
◦ 0.1%
◦ 1.6%

Question 2

In a recent poll 4000 people were asked this question, "If you could pick anyone you want for Hero of the Year, who would it be?" of the respondents picked Michael Phelps. What is the margin of error for this poll? Write a statement about the percentage of people who picked Michael Phelps?

Title: In a recent poll 4000 people were asked this question, "If you could pick anyone you want for Hero ...
Post by: medine on Feb 2, 2020

Answer 1

0.1%

Answer 2

We can be confident that between and of all respondents picked Michael Phelps for Hero of the Year.

Title: Re: In a recent poll 4000 people were asked this question,
Post by: Alexis Williams on Dec 1, 2020

thank you

Title: Re: In a recent poll 4000 people were asked this question,
Post by: Nekea Easterling on Dec 4, 2020

thank you

Title: Re: In a recent poll 4000 people were asked this question, \
Post by: imanijaylise on Jul 30, 2021

thank you

Title: Re: In a recent poll 4000 people were asked this question,
Post by: opirela on Aug 7, 2021

Thank you

Title: Re: In a recent poll 4000 people were asked this question,
Post by: Makeeva Haynes on Jul 28, 2022

Thank you