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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. E Click the icon to view the survey results. The mean is 3.1 credit cards. (Type an integer or a decimal. Do not round.) (b) Determine the standard deviation number of credit cards based the raw data. The standard deviation is 1.910 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 0.14 6 0.01 0.3 7 0.03 0.3 8 0.02 4 0.11 9 0.01 5. O 06 10 0 02

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. E Click the icon to view the survey results. The mean is 3.1 credit cards. (Type an integer or a decimal. Do not round.) (b) Determine the standard deviation number of credit cards based the raw data. The standard deviation is 1.910 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 0.14 6 0.01 0.3 7 0.03 0.3 8 0.02 4 0.11 9 0.01 5. O 06 10 0 02

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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. Click the icon to view the survey results. The mean is 3.1 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 1.910 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 0.14 0.01 0.3 7 0.03 3 0.3 8 0.02 4 0.11 9. 0.01 0.06 10 0.02 onvortor LO
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. The mean is 3.1 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 1.910 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 0.14 0.01 0.3 7 0.03 3 0.3 8 0.02 4 0.11 9. 0.01 0.06 10 0.02 onvortor LO
Credit card survey results Save One question from a survey was "How many credit cards do 3 1 3 1 Click the icon to view the survey results. 2 3 8 2 4 3 2 3 4 3 2 2 7 2 3 5 10 4 1 4 4 10 4 3 2 7 2 1 3 1 2 9 6. Describe the shape of the distribution. 2 2 1 4 3 3 2 4 1 3 4 1 1 The distribution is bimodal and is skewed right. 7 1 3 1 4 1 (e) Determine the mean and standard deviation number of cr The mean is 3.1 credit cards. (Type an integer or a decimal. Do not round.) Print Done The standard deviation is 1.9 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.) 2 382은 3321 3 2 5 2 2 2 은 324 1
Transcribed Image Text:Credit card survey results Save One question from a survey was "How many credit cards do 3 1 3 1 Click the icon to view the survey results. 2 3 8 2 4 3 2 3 4 3 2 2 7 2 3 5 10 4 1 4 4 10 4 3 2 7 2 1 3 1 2 9 6. Describe the shape of the distribution. 2 2 1 4 3 3 2 4 1 3 4 1 1 The distribution is bimodal and is skewed right. 7 1 3 1 4 1 (e) Determine the mean and standard deviation number of cr The mean is 3.1 credit cards. (Type an integer or a decimal. Do not round.) Print Done The standard deviation is 1.9 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.) 2 382은 3321 3 2 5 2 2 2 은 324 1
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