A group of students was doing a research work about the proportion of smokers among the employees of a certain manufacturing plant. A random sample of 500 employees showed that 150 of them smoke. a. If we want to test Ho: p = 0.25 against H₁ :p 0.25, then the test (Round off your answer to 3 statistics is equal to decimal places b. If we want to test Ho: p = 0.25 against H₁ p = 0.25, at a level of significance of 0.10, the acceptance region is (Select your answer from the choices below - write, either 1, 2, 3 or4)

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
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A group of students was doing a research work about the proportion of
smokers among the employees of a certain manufacturing plant. A random
sample of 500 employees showed that 150 of them smoke.
a. If we want to test Ho: p
=
statistics is equal to
0.25 against H₁ p = 0.25, then the test
(Round off your answer to 3
decimal places
b. If we want to test Ho: p = 0.25 against H₁ p = 0.25, at a level of
significance of 0.10, the acceptance region is
(Select
your answer from the choices below - write, either 1, 2, 3 or4)
1. (-1.645, infinity)
2. (-1.645, 1.645)
3. (-1.285, infinity)
4. (-1.285, 1.285)
c. If we want to test Ho: 0= 0.25 against H₁ p 25, at a level of
:
significance of 0.10, then the conclusion is
(Select from
the choices below - write either 1 or 2)
1. Accept Ho
2. Reject Ho
Transcribed Image Text:A group of students was doing a research work about the proportion of smokers among the employees of a certain manufacturing plant. A random sample of 500 employees showed that 150 of them smoke. a. If we want to test Ho: p = statistics is equal to 0.25 against H₁ p = 0.25, then the test (Round off your answer to 3 decimal places b. If we want to test Ho: p = 0.25 against H₁ p = 0.25, at a level of significance of 0.10, the acceptance region is (Select your answer from the choices below - write, either 1, 2, 3 or4) 1. (-1.645, infinity) 2. (-1.645, 1.645) 3. (-1.285, infinity) 4. (-1.285, 1.285) c. If we want to test Ho: 0= 0.25 against H₁ p 25, at a level of : significance of 0.10, then the conclusion is (Select from the choices below - write either 1 or 2) 1. Accept Ho 2. Reject Ho
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