Using python programming language i.e. (Anaconda - Jupyter )According to a study exactly 12 % of gift cards purchased from e-commerce portals are never used. The manager of an e-commerce company wanted to test whether this claim is true. She collected data of 250 gift card purchases and found that 22 gift cards were not used till its expiry date. (a) Conduct an appropriate hypothesis test at 5% significance to check whether the claim that exactly 12% gift cards are never used is true or not. (b) Calculate the 95% confidence interval for the proportion of gift cards that are not used.
Using python programming language i.e. (Anaconda - Jupyter )According to a study exactly 12 % of gift cards purchased from e-commerce portals are never used. The manager of an e-commerce company wanted to test whether this claim is true. She collected data of 250 gift card purchases and found that 22 gift cards were not used till its expiry date. (a) Conduct an appropriate hypothesis test at 5% significance to check whether the claim that exactly 12% gift cards are never used is true or not. (b) Calculate the 95% confidence interval for the proportion of gift cards that are not used.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Using python programming language i.e. (Anaconda - Jupyter )According to a study exactly 12 % of gift cards purchased from e-commerce portals are never used. The manager of an e-commerce company wanted to test whether this claim is true. She collected data of 250 gift card purchases and found that 22 gift cards were not used till its expiry date.
(a) Conduct an appropriate hypothesis test at 5% significance to check whether the claim that exactly 12% gift cards are never used is true or not.
(b) Calculate the 95% confidence interval for the proportion of gift cards that are not used.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
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
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman