Q 31. The National Survey of Adolescen... [FREE SOLUTION]

91影视

The Practice of Statistics for AP

David Moore,Daren Starnes,Dan Yates

$Math Studyset 91影视 Explanations$ Math

4th Edition 路 809 pages

ISBN: 9781319113339

Chapter 1: Q 31. (page 26)

The National Survey of Adolescent Health interviewed several thousand teens (grades $7$ to $12$ ). One question asked was 鈥淲hat do you think are the chances you will be married in the next ten years?鈥� Here is a two-way table of the responses by gender:
What percent of those who thought they were almost certain to be married were female?
(a) About $16 %$ (c) About $40 %$ (e) About $61 %$
(b) About $24 %$ (d) About $45 %$

Short Answer

Expert verified

The correct option is (e) About $61 %$

Step by step solution

Given information

The given picture displays the responses by gender

	Female	Male
Almost no chance	119	103
Some chance, but probably not	150	171
A 50-50 chance	447	512
A good chance	735	710
Almost certain	1174	756

Concept

The distribution of a category variable is displayed using pie charts and bar graphs. Any set of quantities measured in the same units can be compared using bar graphs. It's a good idea to ask yourself, "What do I see?" when looking at any graph.

Explanation

The following are the results of a national survey of adolescent health interviews of boys and females:

	Almost no chance	Some chance but probably	A 50-50 chance
Gender	No's	Percentage	No's	Percentage	No's	Percentage
Females	119	53.60	150	46.73	447	46.61
Males	103	46.40	171	53.27	512	53.39
Total	222	100	321	100	959	100
	A good chance	Almost certain
Gender	No's	Percentage	No's	Percentage
Females	735	50.87	1174	60.83
Males	710	49.13	756	39.17
Total	1445	100	1930	100