(e) Determine the mean and standard deviation number of credit cards from the probability distribution found in part (c). The mean is 3.11 credit cards. (Type an integer or a decimal. Do not round.) The standard deviation is credit cards. (Round to three decimal places as needed.)
(e) Determine the mean and standard deviation number of credit cards from the probability distribution found in part (c). The mean is 3.11 credit cards. (Type an integer or a decimal. Do not round.) The standard deviation is credit cards. (Round to three decimal places as needed.)
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 33E: Sick leave probability that a given worker at Dyno Nutrition Will call in sick on a Monday is 004....
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Using the table in part see please anser question in part e.
Transcribed Image Text:(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.
0.02
0.29
7
0.02
3
0.30
0.02
4
0.11
9.
0.02
0.07
10
0.01
(Type integers or decimals. Do not round.)
![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.
A.
В.
C.
D.
0.4
0.47
0.47
0.4]
0.3-
0.3-
0.3-
0.3-
0.2-
0.2-
0.2-
0.2-
0.1-
0.1-
0.1-
0.1-
0 2 4 6 8 10
# of credit cards, x
0 2
# of credit cards, x
4 6 8 10
0 2 4 6 8 10
# of credit cards, x
0 2 4
6 8 10
# of credit cards, x
Describe the shape of the distribution.
The distribution has one mode and is skewed right.
(e) Determine the mean and standard deviation number of credit cards from the probability distribution found in part (c).
The mean is 3.11 credit cards.
(Type an integer or a decimal. Do not round.)
The standard deviation is credit cards.
(Round to three decimal places as needed.)
Probability, P(x)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6a2d4d80-cdb0-43d9-af03-99b246cbf538%2Ff23bca4e-1a38-4237-86ce-828d51700f55%2F3zl5dne_processed.png&w=3840&q=75)
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.
A.
В.
C.
D.
0.4
0.47
0.47
0.4]
0.3-
0.3-
0.3-
0.3-
0.2-
0.2-
0.2-
0.2-
0.1-
0.1-
0.1-
0.1-
0 2 4 6 8 10
# of credit cards, x
0 2
# of credit cards, x
4 6 8 10
0 2 4 6 8 10
# of credit cards, x
0 2 4
6 8 10
# of credit cards, x
Describe the shape of the distribution.
The distribution has one mode and is skewed right.
(e) Determine the mean and standard deviation number of credit cards from the probability distribution found in part (c).
The mean is 3.11 credit cards.
(Type an integer or a decimal. Do not round.)
The standard deviation is credit cards.
(Round to three decimal places as needed.)
Probability, P(x)
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