If the standard deviation of a nut's hole diameter exceeds 0.01 millimeters, there is an unacceptably high probability that the screw will not fit. Suppose that n= 20 and s = 0.008 millimeter. %3D
If the standard deviation of a nut's hole diameter exceeds 0.01 millimeters, there is an unacceptably high probability that the screw will not fit. Suppose that n= 20 and s = 0.008 millimeter. %3D
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![If the standard deviation of a nut's hole diameter exceeds 0.01 millimeters, there is an unacceptably high
probability that the screw will not fit. Suppose that n= 20 and s = 0.008 millimeter.
Indicate the parameter of interest
a. B = 0.30
а.
b. Variance of the hole diameter
Is there strong evidence to indicate that the standard deviation of hole diameter exceeds 0.01 millimeter?
Use a-0.05. Perform a hypothesis test. H: o- 0.0001 vs. Hi : o >0.0001
c. Fail to reject Ho. There is insufficient evidence to conclude that the
Suppose that the actual standard deviation of hole diameter excoods the hypothesized value by 50%. What
is the probability that this difference will be detected by the test described in part (a)?
true variance exceeds 0.0001 at a = 0.05
Use the OC curve below in determiningB
d. Bz0.18
L00
e. The power of the test would decrease if the sample size is increased
f. Reject Ho. There is evidence to conclude that the true variance
exceeds 0.0001 at a = 0.05
0.40
g. The power of the test would increase if the sample size is increased
0.20
1.0
2.0
How would increasing the sample size affect the power of the test of detecting the variance of hole
diameter really exceed 0.0001?
L00](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F886bd91d-ed11-4f93-83bb-53c56f9e290f%2F9227bfc6-42cd-4350-86f8-753e63fd38e0%2F8zqend2_processed.jpeg&w=3840&q=75)
Transcribed Image Text:If the standard deviation of a nut's hole diameter exceeds 0.01 millimeters, there is an unacceptably high
probability that the screw will not fit. Suppose that n= 20 and s = 0.008 millimeter.
Indicate the parameter of interest
a. B = 0.30
а.
b. Variance of the hole diameter
Is there strong evidence to indicate that the standard deviation of hole diameter exceeds 0.01 millimeter?
Use a-0.05. Perform a hypothesis test. H: o- 0.0001 vs. Hi : o >0.0001
c. Fail to reject Ho. There is insufficient evidence to conclude that the
Suppose that the actual standard deviation of hole diameter excoods the hypothesized value by 50%. What
is the probability that this difference will be detected by the test described in part (a)?
true variance exceeds 0.0001 at a = 0.05
Use the OC curve below in determiningB
d. Bz0.18
L00
e. The power of the test would decrease if the sample size is increased
f. Reject Ho. There is evidence to conclude that the true variance
exceeds 0.0001 at a = 0.05
0.40
g. The power of the test would increase if the sample size is increased
0.20
1.0
2.0
How would increasing the sample size affect the power of the test of detecting the variance of hole
diameter really exceed 0.0001?
L00
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