An experiment has been conducted to investigate the effects of carbon monoxide in the breathing capability of human. The claim was breathing frequency is higher in the presence of CO. The data below shows the result of the experiment. Assume that breathing frequency is approximately normal. . Breathing Frequency (Breaths taken per minute) Subject With CO Without CO 1 30 30 45 40 26 25 4 25 23 34 30 6. 51 49 7 46 41 8 32 35 9 30 28 a. What should be the good hypotheses for this problem? b. At 0.05 level, what is the critical region? c. What is the t-value/z-score? d. Is the claim true at 0.05 level?

An experiment has been conducted to investigate the effects of carbon monoxide in the breathing capability of human. The claim was breathing frequency is higher in the presence of CO. The data below shows the result of the experiment. Assume that breathing frequency is approximately normal. . Breathing Frequency (Breaths taken per minute) Subject With CO Without CO 1 30 30 45 40 26 25 4 25 23 34 30 6. 51 49 7 46 41 8 32 35 9 30 28 a. What should be the good hypotheses for this problem? b. At 0.05 level, what is the critical region? c. What is the t-value/z-score? d. Is the claim true at 0.05 level?

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Description: EXERCISE 1.4 An experiment has been conducted to investigate the effects of carbon monoxide in the breathingcapability of human. The claim was breathing frequency is higher in the presence of CO. The data belowshows the result of the experiment. Assu

A First Course in Probability (10th Edition)

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Chapter1: Combinatorial Analysis

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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

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EXERCISE 1.4

An experiment has been conducted to investigate the effects of carbon monoxide in the breathing
capability of human. The claim was breathing frequency is higher in the presence of CO. The data below
shows the result of the experiment. Assume that breathing frequency is approximately normal. .
Breathing Frequency
(Breaths taken per minute)
Subject
With CO
Without CO
1
30
30
2
45
40
3
26
25
4
25
23
5
34
30
6
51
49
7
46
41
8.
32
35
9
30
28
a. What should be the good hypotheses for this problem?
b. At 0.05 level, what is the critical region?
c. What is the t-value/z-score?
d. Is the claim true at 0.05 level?

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