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 6 2 7 3 8 4 9 10 (Type integers or decimals. Do not round
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 6 2 7 3 8 4 9 10 (Type integers or decimals. Do not round
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 7T: An anagram of a word is a rearrangement of the letters of the word. (a) How many anagrams of the...
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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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