Consider the following table of data on who owns cell phones and smartphones:

All Americans ages 16+ (n=6,224) Cell phone Smartphone
91% 55%
Men (n=2,840)
92
57
Women (n=3,384)
90
54
Race/ethnicity
White, Non-Hispanic (n=4,323)
90
53
Black, Non-Hispanic (n=697)
91
56
Hispanic (English- and Spanish-speaking) (n=739)
90
57
Asian-American (English-speaking) (n=164)
97
81
Age
16-17 (n=214)
91
68
18-29 (n=945)
97
79
30-49 (n=1,590)
95
67
50-64 (n=1,842)
89
45
65+ (n=1,526)
77
18
Education attainment
No high school diploma (n=633)
82
37
High school grad (n=1,695)
88
45
Some college (n=1,631)
92
62
College + (n=2,227)
96
69
Household income
Less than $ 30,000/yr (n=1,734)
85
41
$ 30,000 - $ 49,999 (n=1,059)
93
54
$ 50,000 - $ 74,999 (n=811)
95
63
$ 75,000 - $ 99,999 (n=662)
97
70
$ 100,000 - $ 149,999 (n=629)
96
77
$ 150,000+ (n=402)
99
84
Urbanity
Urban (n=1,922)
92
60
Suburban (n=3,083)
92
57
Rural (n=1,219)
86
42
(Source: Pew Research Center Internet Project Library User survey. July 18-September 20, 2013. N=6,224 Americans ages 16 and older. Interviews were conducted in English and Spanish and on landline and cell phones. Margin of error is +/- 1.4 percentage points for the total sample.)

Section: 1: Population:
Section: 2: Analysis:
(a) What is the sample size?

(b) What percent of those surveyed lives in rural areas?
Express your answer rounded to the nearest tenth of a percent!
%

(c) What percent of those surveyed has only a high school education?
Express your answers rounded to the nearest tenth of a percent!