3. A piece of medical equipment is not functioning properly (it has malfunction), the null hypotheses state that there is no malfunction, however in running operational checks a lap technician does not find evidence of the malfunction. The lab technician has committed. A. a type I error B. both type I and type II error C. neither a type I nor a type II error D. a type II error
3. A piece of medical equipment is not functioning properly (it has malfunction), the null hypotheses state that there is no malfunction, however in running operational checks a lap technician does not find evidence of the malfunction. The lab technician has committed. A. a type I error B. both type I and type II error C. neither a type I nor a type II error D. a type II error
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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Transcribed Image Text:3. A piece of medical equipment is not functioning properly (it has malfunction), the null hypotheses state
that there is no malfunction, however in running operational checks a lap technician does not find
evidence of the malfunction. The lab technician has committed.
A. a type I error
B. both type I and type II error
C. neither a type I nor a type II error
D. a type II error
4. Which of the following is not a correct way to state a null hypothesis
А. Но 3 10
В. Но < 10
С. Но 2 10
D. None of these
5. A statistical report states that the 95% confidence interval for the mean salary of new job on a company
is between 25500 OR and 25000 OR obtained from a sample of 15. Calculate the population standard
division assuming that the population variance is unknown.
A. 563.75
B. 451.40
C. 518.67
D. 534.18

Transcribed Image Text:1. A confidence interval shows:
A. A point estimate of the population mean
B. The range which the population mean will fall
C. An interval estimate of where the sample mean will fall
D. An estimate of the rank in which the population mean will fall
2. If the width of the confidence interval for the population mean is W = 2 which statement is not true
A. Width increases with increasing confidence level
B. Width increases with increasing sample size
C. Width increases with increasing the variance
D. None of these
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