The national distribution of fatal work injuries in a country is shown in the table to the right under National %. You believe that the distribution of fatal work injuries is different in the western part of the country and randomly select 6231 fatal work injuries occurring in that region. At alpha equals 0.05 can you conclude that the distribution of fatal work injuries in the west is different from the national distribution? Complete parts a through d below. Cause National % Western Frequency Transportation 43 % 2894 Equipment 18 % 1158 Assaults 15 % 801 Falls 14 % 754 Harmful fumes 7 % 532 Fires 3 % 92 a. State Upper H 0 and Upper H Subscript a and identify the claim. What is the null hypothesis, Upper H 0 ? A. The distribution of fatal work injuries in the west differs from the expected distribution. B. The distribution of fatal work injuries in the west is 2894 transportation, 1158 equipment, 801 assaults, 754 falls, 532 harmful fumes, and 92 fires. C. The distribution of fatal work injuries in the west is 43 % transportation, 18 % equipment, 15 % assaults, 14 % falls, 7 % harmful fumes, and 3 % fires. What is the alternate hypothesis, Upper H Subscript a ? A. The distribution of fatal work injuries in the west is 43 % transportation, 18 % equipment, 15 % assaults, 14 % falls, 7 % harmful fumes, and 3 % fires. B. The distribution of fatal work injuries in the west differs from the expected distribution. C. The distribution of fatal work injuries in the west is the same as the expected distribution. Which hypothesis is the claim? Upper H 0 Upper H Subscript a b. Determine the critical value, font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2 , and the rejection region. font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2 equalsnothing (Round to three decimal places as needed.) Determine the rejection region. A. font size increased by 1 font size increased by 1 font size increased by 1 chi squared greater than or equals font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2 B. font size increased by 1 font size increased by 1 font size increased by 1 chi squared less than or equals font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2 C. font size increased by 1 font size increased by 1 font size increased by 1 chi squared greater than font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2 D. font size increased by 1 font size increased by 1 font size increased by 1 chi squared less than font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2 c. Calculate the test statistic. font size increased by 1 font size increased by 1 font size increased by 1 chi squared equalsnothing (Round to three decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. Then interpret the decision in the context of the original claim. ▼ Fail to reject Reject Upper H 0 . At the 5 % significance level, there ▼ is not is enough evidence to conclude that the western distribution of fatal work injuries ▼ is the same as differs from the national distribution.

The national distribution of fatal work injuries in a country is shown in the table to the right under National %. You believe that the distribution of fatal work injuries is different in the western part of the country and randomly select 6231 fatal work injuries occurring in that region. At alpha equals 0.05 can you conclude that the distribution of fatal work injuries in the west is different from the national distribution? Complete parts a through d below. Cause National % Western Frequency Transportation 43 % 2894 Equipment 18 % 1158 Assaults 15 % 801 Falls 14 % 754 Harmful fumes 7 % 532 Fires 3 % 92 a. State Upper H 0 and Upper H Subscript a and identify the claim. What is the null hypothesis, Upper H 0 ? A. The distribution of fatal work injuries in the west differs from the expected distribution. B. The distribution of fatal work injuries in the west is 2894 transportation, 1158 equipment, 801 assaults, 754 falls, 532 harmful fumes, and 92 fires. C. The distribution of fatal work injuries in the west is 43 % transportation, 18 % equipment, 15 % assaults, 14 % falls, 7 % harmful fumes, and 3 % fires. What is the alternate hypothesis, Upper H Subscript a ? A. The distribution of fatal work injuries in the west is 43 % transportation, 18 % equipment, 15 % assaults, 14 % falls, 7 % harmful fumes, and 3 % fires. B. The distribution of fatal work injuries in the west differs from the expected distribution. C. The distribution of fatal work injuries in the west is the same as the expected distribution. Which hypothesis is the claim? Upper H 0 Upper H Subscript a b. Determine the critical value, font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2 , and the rejection region. font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2 equalsnothing (Round to three decimal places as needed.) Determine the rejection region. A. font size increased by 1 font size increased by 1 font size increased by 1 chi squared greater than or equals font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2 B. font size increased by 1 font size increased by 1 font size increased by 1 chi squared less than or equals font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2 C. font size increased by 1 font size increased by 1 font size increased by 1 chi squared greater than font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2 D. font size increased by 1 font size increased by 1 font size increased by 1 chi squared less than font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2 c. Calculate the test statistic. font size increased by 1 font size increased by 1 font size increased by 1 chi squared equalsnothing (Round to three decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. Then interpret the decision in the context of the original claim. ▼ Fail to reject Reject Upper H 0 . At the 5 % significance level, there ▼ is not is enough evidence to conclude that the western distribution of fatal work injuries ▼ is the same as differs from the national distribution.

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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The national distribution of fatal work injuries in a country is shown in the table to the right under National

You believe that the distribution of fatal work injuries is different in the western part of the country and randomly select 6231 fatal work injuries occurring in that region. At

alpha equals 0.05

can you conclude that the distribution of fatal work injuries in the west is different from the national distribution? Complete parts a through d below.	Cause	National %	Western Frequency
Transportation	43

2894

Equipment	18

1158

Assaults	15

801

Falls	14

754

Harmful fumes	7

532

Fires	3

a. State

Upper H 0

and

Upper H Subscript a

and identify the claim.

What is the null hypothesis,

Upper H 0

The distribution of fatal work injuries in the west differs from the expected distribution.

The distribution of fatal work injuries in the west is

2894

transportation,

1158

equipment,

801

assaults,

754

falls,

532

harmful fumes, and

fires.

The distribution of fatal work injuries in the west is

transportation,

equipment,

15 %

assaults,

falls,

harmful fumes, and

fires.

What is the alternate hypothesis,

Upper H Subscript a

The distribution of fatal work injuries in the west is

transportation,

equipment,

15 %

assaults,

falls,

harmful fumes, and

fires.

The distribution of fatal work injuries in the west differs from the expected distribution.

The distribution of fatal work injuries in the west is the same as the expected distribution.

Which hypothesis is the claim?

Upper H 0

Upper H Subscript a

b. Determine the critical value,

font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2

and the rejection region.

font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2

equalsnothing

(Round to three decimal places as needed.)

Determine the rejection region.

font size increased by 1 font size increased by 1 font size increased by 1 chi squared greater than or equals font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2

font size increased by 1 font size increased by 1 font size increased by 1 chi squared less than or equals font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2

font size increased by 1 font size increased by 1 font size increased by 1 chi squared greater than font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2

font size increased by 1 font size increased by 1 font size increased by 1 chi squared less than font size increased by 1 font size increased by 1 font size increased by 1 chi Subscript 0 Superscript 2

c. Calculate the test statistic.

font size increased by 1 font size increased by 1 font size increased by 1 chi squared

equalsnothing

(Round to three decimal places as needed.)

(d) Decide whether to reject or fail to reject the null hypothesis. Then interpret the decision in the context of the original claim.

▼

Fail to reject

Reject

Upper H 0

At the

significance level, there

▼

is not

enough evidence to conclude that the western distribution of fatal work injuries

▼

is the same as

differs from

the national distribution.

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