A particular report included the following table classifying 814 fatal bicycle accidents that occurred in a certain year according to the time of day the accident occurred. Time of Day Number of Accidents midnight to 3 a.m. 47 3 a.m. to 6 a.m. 51 6 a.m. to 9 a.m. 85 9 a.m. to noon 72 noon to 3 p.m. 76 3 p.m. to 6 p.m. 156 6 p.m. to 9 p.m. 193 9 p.m. to midnight 134 For purposes of this exercise, assume that these 814 bicycle accidents are a random sample of fatal bicycle accidents. Do these data support the hypothesis that fatal bicycle accidents are not equally likely to occur in each of the 3-hour time periods used to construct the table? Test the relevant hypotheses using a significance level of ? = 0.05. Let p1, p2, p3, p4, p5, p6, p7, and p8 be the proportions of accidents occurring in the eight different time periods. State the appropriate null and alternative hypotheses. H0: p1 = p2 = p3 = p4 = p5 = p6 = p7 = p8 = 0.08 Ha: H0 is not true. H0: p1 = p2 = p3 = p4 = p5 = p6 = p7 = p8 = 0.8 Ha: H0 is not true. H0: p1 = p2 = p3 = p4 = p5 = p6 = p7 = p8 = 814 Ha: H0 is not true. H0: p1 = p2 = p3 = p4 = p5 = p6 = p7 = p8 = 101.75 Ha: H0 is not true. H0: p1 = p2 = p3 = p4 = p5 = p6 = p7 = p8 = 0.125 Ha: H0 is not true. X^2=_____? p-value=______? State the conclusion in the problem context. Reject H0. There is convincing evidence to conclude that fatal accidents are not equally likely to occur in each of the eight time periods. Reject H0. There is not convincing evidence to conclude that fatal accidents are not equally likely to occur in each of the eight time periods. Fail to reject H0. There is not convincing evidence to conclude that fatal accidents are not equally likely to occur in each of the eight time periods. Fail to reject H0. There is convincing evidence to conclude that fatal accidents are not equally likely to occur in each of the eight time periods.

A particular report included the following table classifying 814 fatal bicycle accidents that occurred in a certain year according to the time of day the accident occurred. Time of Day Number of Accidents midnight to 3 a.m. 47 3 a.m. to 6 a.m. 51 6 a.m. to 9 a.m. 85 9 a.m. to noon 72 noon to 3 p.m. 76 3 p.m. to 6 p.m. 156 6 p.m. to 9 p.m. 193 9 p.m. to midnight 134 For purposes of this exercise, assume that these 814 bicycle accidents are a random sample of fatal bicycle accidents. Do these data support the hypothesis that fatal bicycle accidents are not equally likely to occur in each of the 3-hour time periods used to construct the table? Test the relevant hypotheses using a significance level of ? = 0.05. Let p1, p2, p3, p4, p5, p6, p7, and p8 be the proportions of accidents occurring in the eight different time periods. State the appropriate null and alternative hypotheses. H0: p1 = p2 = p3 = p4 = p5 = p6 = p7 = p8 = 0.08 Ha: H0 is not true. H0: p1 = p2 = p3 = p4 = p5 = p6 = p7 = p8 = 0.8 Ha: H0 is not true. H0: p1 = p2 = p3 = p4 = p5 = p6 = p7 = p8 = 814 Ha: H0 is not true. H0: p1 = p2 = p3 = p4 = p5 = p6 = p7 = p8 = 101.75 Ha: H0 is not true. H0: p1 = p2 = p3 = p4 = p5 = p6 = p7 = p8 = 0.125 Ha: H0 is not true. X^2=_? p-value=__? State the conclusion in the problem context. Reject H0. There is convincing evidence to conclude that fatal accidents are not equally likely to occur in each of the eight time periods. Reject H0. There is not convincing evidence to conclude that fatal accidents are not equally likely to occur in each of the eight time periods. Fail to reject H0. There is not convincing evidence to conclude that fatal accidents are not equally likely to occur in each of the eight time periods. Fail to reject H0. There is convincing evidence to conclude that fatal accidents are not equally likely to occur in each of the eight time periods.

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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A particular report included the following table classifying 814 fatal bicycle accidents that occurred in a certain year according to the time of day the accident occurred.

Time of Day	Number of Accidents
midnight to 3 a.m.	47
3 a.m. to 6 a.m.	51
6 a.m. to 9 a.m.	85
9 a.m. to noon	72
noon to 3 p.m.	76
3 p.m. to 6 p.m.	156
6 p.m. to 9 p.m.	193
9 p.m. to midnight	134

For purposes of this exercise, assume that these 814 bicycle accidents are a random sample of fatal bicycle accidents. Do these data support the hypothesis that fatal bicycle accidents are not equally likely to occur in each of the 3-hour time periods used to construct the table? Test the relevant hypotheses using a significance level of

? = 0.05.

Let p₁, p₂, p₃, p₄, p₅, p₆, p₇, and p₈ be the proportions of accidents occurring in the eight different time periods.

State the appropriate null and alternative hypotheses.

H₀: p₁ = p₂ = p₃ = p₄ = p₅ = p₆ = p₇ = p₈ = 0.08
H_a: H₀ is not true.

H₀: p₁ = p₂ = p₃ = p₄ = p₅ = p₆ = p₇ = p₈ = 0.8
H_a: H₀ is not true.

H₀: p₁ = p₂ = p₃ = p₄ = p₅ = p₆ = p₇ = p₈ = 814
H_a: H₀ is not true.

H₀: p₁ = p₂ = p₃ = p₄ = p₅ = p₆ = p₇ = p₈ = 101.75
H_a: H₀ is not true.

H₀: p₁ = p₂ = p₃ = p₄ = p₅ = p₆ = p₇ = p₈ = 0.125
H_a: H₀ is not true.

X^2=_____?

p-value=______?

State the conclusion in the problem context.

Reject H₀. There is convincing evidence to conclude that fatal accidents are not equally likely to occur in each of the eight time periods.

Reject H₀. There is not convincing evidence to conclude that fatal accidents are not equally likely to occur in each of the eight time periods.

Fail to reject H₀. There is not convincing evidence to conclude that fatal accidents are not equally likely to occur in each of the eight time periods.

Fail to reject H₀. There is convincing evidence to conclude that fatal accidents are not equally likely to occur in each of the eight time periods.

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