3. A mean GPA of Harrisburg high school students is 2.1. We want to test whether the mean GPA of students in universities is different from 2.0 (letter grade “C"). Ans:

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Topic Video
Question

answer 3

State the null and alternative hypotheses for the following 4 questions.
1. You want to test to see if the claim is correct. A math teacher claims the probability
that a person picked at random in Philadelphia is visiting the city is less than 40%.
Ans:
2. A technician is testing that the mean speed of internet connection is more than 4
Megabits per second. A mean is 3.5 and standard deviation is 1.2.
Ans:
3. A mean GPA of Harrisburg high school students is 2.1. We want to test whether the
mean GPA of students in universities is different from 2.0 (letter grade “C").
Ans:
4. A survey shows 47% of movie goers are males. A test is conducted to see if the
proportion is less. 37% of movie goers eat popcorns while watching a movie.
Ans:
Transcribed Image Text:State the null and alternative hypotheses for the following 4 questions. 1. You want to test to see if the claim is correct. A math teacher claims the probability that a person picked at random in Philadelphia is visiting the city is less than 40%. Ans: 2. A technician is testing that the mean speed of internet connection is more than 4 Megabits per second. A mean is 3.5 and standard deviation is 1.2. Ans: 3. A mean GPA of Harrisburg high school students is 2.1. We want to test whether the mean GPA of students in universities is different from 2.0 (letter grade “C"). Ans: 4. A survey shows 47% of movie goers are males. A test is conducted to see if the proportion is less. 37% of movie goers eat popcorns while watching a movie. Ans:
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Discrete Probability Distributions
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
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 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…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
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
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman