Question

Researchers wanted to study if couples having children are married. They surveyed a large group of people. The data are shown in the contingency table below. What is the relative risk of having children for those who are married? Round your answer to two decimal places.

Question

Researchers wanted to study if wearing cotton clothes is related to depression. They surveyed a large group of people. The data are shown in the contingency table below. What is the relative risk of wearing cotton clothes for those who are depressed? Round your answer to two decimal places.

Question

Fill in the following contingency table and find the number of students who both play sports AND play an instrument.

Question

A survey of 155 employed citizens was conducted and the results are shown in the table below. Given that a randomly selected survey participant does not work in an office, what is the probability that this person works on Saturday?

Enter your answer as a fraction.

	Does not Work in an Office	Works in an Office	Total
Does not Work Saturday	32	62	94
Works Saturday	14	47	61
Total	46	109	155

Answer: 7/23

Question

Given the contingency table below, determine the marginal distribution of breakfast and lunch. Round your answer(s) to the nearest whole number. Select all that apply.

Food	Bread	Rice	Total
Breakfast	122	189	311
Lunch	420	263	683
Total	542	452	994

Question

Fill in the following contingency table and find the number of students who both have a cat AND have a dog.

Question

Given the contingency table below, determine the marginal distribution of the bread and rice. Round your answer(s) to the nearest whole number. Select all that apply.

Food	Bread	Rice	Total
Breakfast	122	189	311
Lunch	420	263	683
Total	542	452	994

Question

Given the contingency table below, determine the marginal distribution of the toys’ shapes. Round your answer(s) to the nearest whole number. Select all that apply.

Toys	Black	White	Total
Round	3	7	10
Square	5	2	7
Total	8	9	17

Question

Researchers want to study whether or not a fear of flying is related to a fear of heights. They surveyed a large group of people and asked them whether or not they had a fear of flying and whether or not they had a fear of heights. The data are shown in the contingency table below. What is the relative risk of being afraid of flying for those who are afraid of heights? Round your answer to two decimal places.

Question

Researchers wanted to study if having a long beak is related to flight in birds. They surveyed a total of 34 birds. The data are shown in the contingency table below. What is the relative risk of flying for those birds that have long beaks? Round your answer to two decimal places.

Question

Fill in the following contingency table and find the number of students who both watch comedies AND watch dramas.

Question

Fill in the following contingency table and find the number of students who both have a cat AND have a dog.

Solution

Question

Enter your answer as a fraction.

	Does not Work in an Office	Works in an Office	Total
Does not Work Saturday	32	62	94
Works Saturday	14	47	61
Total	46	109	155

Answer: 7/23…………….please follow the link below to purchase the solution at $5

[Solved] MATH225N Week 4 Assignment: Contingency Tables

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