The standard deviation is 1.840 credit cards. (Round to three decimal places as needed.). (f) Determine the probability of randomly selecting an individual whose number of credit cards is more than two standard deviations from the mean. Is this result unusual? The probability is (Type an integer or a decimal. Do not round) 1- ' 101 Si S 4 1. (0,0) X
The standard deviation is 1.840 credit cards. (Round to three decimal places as needed.). (f) Determine the probability of randomly selecting an individual whose number of credit cards is more than two standard deviations from the mean. Is this result unusual? The probability is (Type an integer or a decimal. Do not round) 1- ' 101 Si S 4 1. (0,0) X
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Solve for F
Transcribed Image Text:Print
Done
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Credit Card Survey Results
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.
Click the icon to view the survey results.
Probability, P
0.34
0.2-
0.1-
0-
74
0 2 4 6 8 10
# of credit cards,
Q
Describe the shape of the distribution.
The distribution has one mode and is skewed right.
0.2-
GLI:
0 2 4 6 8 10
# of credit cards, x
0.3
The probability is
(Type an integer or a decimal. Do not round.)
0.1-
0-
Q
(e) Determine the mean and standard deviation number of credit cards from the probability distribution found in part (c)
The mean is 3.07 credit cards.
(Type an integer or a decimal. Do not round)
20
Probability, Pr
√₁
à 034
0.2-
0.1-
0-
5
0 2 4 6 8 10
# of credit cards, x
Q
G
The standard deviation is 1.840 credit cards.
(Round to three decimal places as needed.)
(f) Determine the probability of randomly selecting an individual whose number of credit cards is more than two standard deviations from the mean. Is this result unusual?
27
0.3-
02-
0.1-
10-
0 2 4 6 8 10
# of credit cards, x
Q
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