Let X denote the weight of patients admitted at SQU Hospital. Based on the recorded data, a medical staff claimed that the mean of the weight is greater than 77 Kg. Suppose that X follows Normal distribution N(µ, o² = 25). A random sample of size n = 36 patients has been selected. 1. [1.] Write the null and alternative hypothesis for testing the above claim 2. [2.] Suppose now the critical region of the test: C = {(¤1, T2, ..., 36) : X > 79} O [[a)] Compute the power function K(u) of this test. hic toct
Let X denote the weight of patients admitted at SQU Hospital. Based on the recorded data, a medical staff claimed that the mean of the weight is greater than 77 Kg. Suppose that X follows Normal distribution N(µ, o² = 25). A random sample of size n = 36 patients has been selected. 1. [1.] Write the null and alternative hypothesis for testing the above claim 2. [2.] Suppose now the critical region of the test: C = {(¤1, T2, ..., 36) : X > 79} O [[a)] Compute the power function K(u) of this test. hic toct
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
![Document files .doc.docx .epub .gdoc.odt.oth .ott.pdf.rtf
Let X denote the weight of patients admitted at SQU Hospital. Based on the recorded data, a medical staff claimed
that the mean of the weight is greater than 77 Kg. Suppose that X follows Normal distribution N(u, o? = 25). A
random sample of size n = 36 patients has been selected.
of
tion
1. [1.] Write the null and alternative hypothesis for testing the above claim
2. [2.] Suppose now the critical region of the test: C = {(x1, x2,..., 36): X > 79}
O [(a)] Compute the power function K(u) of this test.
o [[b)] Compute the significance level of this test.
o [[C)] Calculate the values K(79) and K(81).
o [[d)] Calculate the probability of committing type II error when u = 80.
O [[e)] Calculate the corresponding p-value to X = 78.5.
В I
W
Paragraph
2:06 PM
AR
06/01/2021
Ps
hp
!!](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff39fefb7-56d4-46f2-ae60-11229f340c37%2F5e3252e0-f380-4208-8dfc-2688a20fcc89%2F289t7wp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Document files .doc.docx .epub .gdoc.odt.oth .ott.pdf.rtf
Let X denote the weight of patients admitted at SQU Hospital. Based on the recorded data, a medical staff claimed
that the mean of the weight is greater than 77 Kg. Suppose that X follows Normal distribution N(u, o? = 25). A
random sample of size n = 36 patients has been selected.
of
tion
1. [1.] Write the null and alternative hypothesis for testing the above claim
2. [2.] Suppose now the critical region of the test: C = {(x1, x2,..., 36): X > 79}
O [(a)] Compute the power function K(u) of this test.
o [[b)] Compute the significance level of this test.
o [[C)] Calculate the values K(79) and K(81).
o [[d)] Calculate the probability of committing type II error when u = 80.
O [[e)] Calculate the corresponding p-value to X = 78.5.
В I
W
Paragraph
2:06 PM
AR
06/01/2021
Ps
hp
!!
![on 6
Let X1
X be a random sample from Exponential distribution with parameter B > 0. Let T = X,
red
...
d out of
1. [1.] We want to construct a confidence interval for the parameter 8
o [[a)] Find the distribution of T. Hint: Exponential(B) has the same distribution as Gamma(a = 1, 3)
2
o [[b)] Find the distribution of the statistic T and write it as a y?- distribution.
question
O [[C)] If n = 15 and T =
45, construct a 95% confidence interval for B. Hint: Find two constants a and b
satisfying: P (a < 4 <b)
2T
= 0.95
2. [2.] We are now interested in testing Ho : B =7 vs H : B= 4
O [(a)] Show that a best critical region of this test is of the form:
C = {T = E1 X; < cı}
O [[b)] If n = 14, find the value of c at the level of significance a = 0.05.
Paragraph
CE
Pa
W
2:06 PM
AR
atll
06/01/2021](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff39fefb7-56d4-46f2-ae60-11229f340c37%2F5e3252e0-f380-4208-8dfc-2688a20fcc89%2Frdpapjm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:on 6
Let X1
X be a random sample from Exponential distribution with parameter B > 0. Let T = X,
red
...
d out of
1. [1.] We want to construct a confidence interval for the parameter 8
o [[a)] Find the distribution of T. Hint: Exponential(B) has the same distribution as Gamma(a = 1, 3)
2
o [[b)] Find the distribution of the statistic T and write it as a y?- distribution.
question
O [[C)] If n = 15 and T =
45, construct a 95% confidence interval for B. Hint: Find two constants a and b
satisfying: P (a < 4 <b)
2T
= 0.95
2. [2.] We are now interested in testing Ho : B =7 vs H : B= 4
O [(a)] Show that a best critical region of this test is of the form:
C = {T = E1 X; < cı}
O [[b)] If n = 14, find the value of c at the level of significance a = 0.05.
Paragraph
CE
Pa
W
2:06 PM
AR
atll
06/01/2021
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps with 2 images

Knowledge Booster
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
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