For students who first enrolled in two-year public institutions in a recent semester, the proportion who earned a bachelor's degree within six years was 0.398. The president of a certain junior college believes that the proportion of students who enroll in her institution have a lower completion rate. (a) State the null and alternative hypotheses in words. (b) State the null and alternative hypotheses symbolically. (c) Explain what it would mean to make a Type I error. (d) Explain what it would mean to make a Type Il error. (a) State the null hypothesis in words. Choose the correct answer below. O A. Among students who enroll at the certain junior college, the completion rate is 0.398. B. Among students who enroll at the certain junior college, the completion rate is less than 0.398. O C. Among students who enroll at the certain junior college, the completion rate is greater than 0.398. O D. Among students who first enroll in two-year public institutions, the completion rate is 0.398. State the alternative hypothesis in words. Choose the correct answer below. O A. Among students who enroll at the certain junior college, the completion rate is less than 0.398. O B. Among students who first enroll in two-year public institutions, the completion rate is 0.398. C. Among students who enroll at the certain junior college, the completion rate is 0.398. O D. Among students who enroll at the certain junior college, the completion rate is greater than 0.398. (b) State the hypotheses symbolically. Họ: H,: (Type integers or decimals. Do not round.) (c) What would it mean to make a Type I error? The president V the hypothesis that the proportion of students who earn a bachelor's degree within six years is when, in fact, the proportion is (Type integers or decimals. Do not round.) (d) What would it mean to make a Type Il error? The president the hypothesis that the proportion of students who earn a bachelor's degree within six years is when, in fact, the proportion is (Type integers or decimals. Do not round.)

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
Question

29

For students who first enrolled in two-year public institutions in a recent semester, the proportion who earned a bachelor's degree within six years was 0.398. The president of a certain junior college believes that the proportion of students who
enroll in her institution have a lower completion rate.
(a) State the null and alternative hypotheses in words.
(b) State the null and alternative hypotheses symbolically.
(c) Explain what it would mean to make a Type I error.
(d) Explain what it would mean to make a Type Il error.
(a) State the null hypothesis in words. Choose the correct answer below.
O A. Among students who enroll at the certain junior college, the completion rate is 0.398.
B. Among students who enroll at the certain junior college, the completion rate is less than 0.398.
C. Among students who enroll at the certain junior college, the completion rate is greater than 0.398.
D. Among students who first enroll in two-year public institutions, the completion rate is 0.398.
State the alternative hypothesis in words. Choose the correct answer below.
O A. Among students who enroll at the certain junior college, the completion rate is less than 0.398.
B. Among students who first enroll in two-year public institutions, the completion rate is 0.398.
O C. Among students who enroll at the certain junior college, the completion rate is 0.398.
O D. Among students who enroll at the certain junior college, the completion rate is greater than 0.398.
(b) State the hypotheses symbolically.
Ho:
H4:
(Type integers or decimals. Do not round.)
(c) What would it mean to make a Type I error?
The president
the hypothesis that the proportion of students who earn a bachelor's degree within six years is
when, in fact, the proportion is
(Type integers or decimals. Do not round.)
(d) What would it mean to make a Type Il error?
The president
the hypothesis that the proportion of students who earn a bachelor's degree within six years is
when, in fact, the proportion is
(Type integers or decimals. Do not round.)
Transcribed Image Text:For students who first enrolled in two-year public institutions in a recent semester, the proportion who earned a bachelor's degree within six years was 0.398. The president of a certain junior college believes that the proportion of students who enroll in her institution have a lower completion rate. (a) State the null and alternative hypotheses in words. (b) State the null and alternative hypotheses symbolically. (c) Explain what it would mean to make a Type I error. (d) Explain what it would mean to make a Type Il error. (a) State the null hypothesis in words. Choose the correct answer below. O A. Among students who enroll at the certain junior college, the completion rate is 0.398. B. Among students who enroll at the certain junior college, the completion rate is less than 0.398. C. Among students who enroll at the certain junior college, the completion rate is greater than 0.398. D. Among students who first enroll in two-year public institutions, the completion rate is 0.398. State the alternative hypothesis in words. Choose the correct answer below. O A. Among students who enroll at the certain junior college, the completion rate is less than 0.398. B. Among students who first enroll in two-year public institutions, the completion rate is 0.398. O C. Among students who enroll at the certain junior college, the completion rate is 0.398. O D. Among students who enroll at the certain junior college, the completion rate is greater than 0.398. (b) State the hypotheses symbolically. Ho: H4: (Type integers or decimals. Do not round.) (c) What would it mean to make a Type I error? The president the hypothesis that the proportion of students who earn a bachelor's degree within six years is when, in fact, the proportion is (Type integers or decimals. Do not round.) (d) What would it mean to make a Type Il error? The president the hypothesis that the proportion of students who earn a bachelor's degree within six years is when, in fact, the proportion is (Type integers or decimals. Do not round.)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
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