The true average diameter of ball bearings of a certain type is supposed to be 0.5 in. A one-sample t test will be carried out to see whether this is the case. What conclusion is appropriate in each of the following situations? (a) n = 12, t = 1.56, ? = 0.05 Reject the null hypothesis. There is sufficient evidence that the true diameter differs from 0.5 in.Reject the null hypothesis. There is not sufficient evidence that the true diameter differs from 0.5 in. Do not reject the null hypothesis. There is sufficient evidence that the true diameter differs from 0.5 in.Do not reject the null hypothesis. There is not sufficient evidence that the true diameter differs from 0.5 in. (b) n = 12, t = −1.56, ? = 0.05
The true average diameter of ball bearings of a certain type is supposed to be 0.5 in. A one-sample t test will be carried out to see whether this is the case. What conclusion is appropriate in each of the following situations? (a) n = 12, t = 1.56, ? = 0.05 Reject the null hypothesis. There is sufficient evidence that the true diameter differs from 0.5 in.Reject the null hypothesis. There is not sufficient evidence that the true diameter differs from 0.5 in. Do not reject the null hypothesis. There is sufficient evidence that the true diameter differs from 0.5 in.Do not reject the null hypothesis. There is not sufficient evidence that the true diameter differs from 0.5 in. (b) n = 12, t = −1.56, ? = 0.05
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The true average diameter of ball bearings of a certain type is supposed to be 0.5 in. A one-sample t test will be carried out to see whether this is the case. What conclusion is appropriate in each of the following situations?
(a)
(b)
(c)
(d)
n = 12, t = 1.56, ? = 0.05
Reject the null hypothesis. There is sufficient evidence that the true diameter differs from 0.5 in.Reject the null hypothesis. There is not sufficient evidence that the true diameter differs from 0.5 in. Do not reject the null hypothesis. There is sufficient evidence that the true diameter differs from 0.5 in.Do not reject the null hypothesis. There is not sufficient evidence that the true diameter differs from 0.5 in.
(b)
n = 12, t = −1.56, ? = 0.05
Reject the null hypothesis. There is sufficient evidence that the true diameter differs from 0.5 in.Reject the null hypothesis. There is not sufficient evidence that the true diameter differs from 0.5 in. Do not reject the null hypothesis. There is sufficient evidence that the true diameter differs from 0.5 in.Do not reject the null hypothesis. There is not sufficient evidence that the true diameter differs from 0.5 in.
(c)
n = 24, t = −2.53, ? = 0.01
Reject the null hypothesis. There is sufficient evidence that the true diameter differs from 0.5 in.Reject the null hypothesis. There is not sufficient evidence that the true diameter differs from 0.5 in. Do not reject the null hypothesis. There is sufficient evidence that the true diameter differs from 0.5 in.Do not reject the null hypothesis. There is not sufficient evidence that the true diameter differs from 0.5 in.
(d)
n = 24, t = −3.97, ? = 0.05
Reject the null hypothesis. There is sufficient evidence that the true diameter differs from 0.5 in.Reject the null hypothesis. There is not sufficient evidence that the true diameter differs from 0.5 in. Do not reject the null hypothesis. There is not sufficient evidence that the true diameter differs from 0.5 in.Do not reject the null hypothesis. There is sufficient evidence that the true diameter differs from 0.5 in.
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