
College Algebra
7th Edition
ISBN: 9781305115545
Author: James Stewart, Lothar Redlin, Saleem Watson
Publisher: Cengage Learning
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Question
One question from a survey was "How many credit cards do you currently have?" The results of the survey are provided. Complete parts (a) through (g) below.

Transcribed Image Text:The mean is 3.12 credit cards.
(Type an integer or a decimal. Do not round.)
(b) Determine the standard deviation number of credit cards based on the raw data.
The standard deviation is 1.882 credit cards.
(Round to three decimal places as needed.)
(c) Determine a probability distribution for the random variable, X, the number of credit cards issued to an individual.
x (# of cards) P(x)
x (# of cards) P(x)
1
7
3
8
4
10
(Type integers or decimals. Do not round.)
EBest Converter

Transcribed Image Text:One question from a survey was "How many credit cards do you currently have?" The results of the survey are provided. Complete parts (a) through (g) below.
- X
Credit card survey results
10
10
1
3
3
3
1
- 4 N m 2 1 O N 1 -
LO N M N ¢ N M2-4
M N 5 N 3 7 N3 3 2N
-54 m 3 3 9
n 3 3 N3 N N ¢ ¢ N
3 o N N- ¢ 5
M 3 3 N ¢ ¢ M21-
N M 7 N
N 5 N NN
m N 3 1
M N M N52 M 2 ¢
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