Mathematics > EXAM > Maths analysis 2022-2023'. Question and answers (All)
Maths analysis 2022-2023'. Question and answers
Document Content and Description Below
Maths analysis 2022-2023'. Question and answers Question 1 A statistics professor recently graded final exams for students in her introductory statistics course. In a review of her grading, sh... e found the mean score out of 100 points was a x¯=77, with a margin of error of 10. Construct a confidence interval for the mean score (out of 100 points) on the final exam. That is correct! Answer: (67, 87) Question 2 A random sample of adults were asked whether they prefer reading an e-book over a printed book. The survey resulted in a sample proportion of p′=0.14, with a sampling standard deviation of σp′=0.02, who preferred reading an e-book. Use the empirical rule to construct a 95% confidence interval for the true proportion of adults who prefer ebooks. That is correct! Answer: ( 0.10, 0.18) [Show More]
Last updated: 2 years ago
Preview 1 out of 11 pages
Buy this document to get the full access instantly
Instant Download Access after purchase
Buy NowInstant download
We Accept:
Reviews( 0 )
$12.00
Can't find what you want? Try our AI powered Search
Document information
Connected school, study & course
About the document
Uploaded On
Aug 27, 2022
Number of pages
11
Written in
Additional information
This document has been written for:
Uploaded
Aug 27, 2022
Downloads
0
Views
29
.png)
