(e) Determine the mean and standard deviation number of credit cards from the probability distribution found in part (c). The mean is credit cards. (Type an integer or a decimal. Do not round.)

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(e) Determine the mean and standard deviation number of credit cards from the probability distribution found in part (c).
The mean is | credit cards.
(Type an integer or a decimal. Do not round.)
Transcribed Image Text:(e) Determine the mean and standard deviation number of credit cards from the probability distribution found in part (c). The mean is | credit cards. (Type an integer or a decimal. Do not round.)
(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)
0.14
0.01
0.31
7
0.03
3
0.30
8
0.02
4
0.10
9
0.02
0.06
10
0.01
(Type integers or decimals. Do not round.)
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) 0.14 0.01 0.31 7 0.03 3 0.30 8 0.02 4 0.10 9 0.02 0.06 10 0.01 (Type integers or decimals. Do not round.)
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