SOLUTION: A large retail company encourages its
employees to get customers to apply for the store credit
card. Below is the distribution for the number of credit
card applications receive
Algebra.Com
Question 1161334: A large retail company encourages its
employees to get customers to apply for the store credit
card. Below is the distribution for the number of credit
card applications received per employee for an 8-hour
shift.
X P(X)
0 0.27
1 0.28
2 0.20
3 0.15
4 0.08
5 0.02
a. What is the probability that an employee will get 2
or 3 applications during any given shift?
b. Find the mean, variance, and standard deviation for
this probability distribution.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
\ =\ P(2)\ +\ P(3))
The mean, )
The variance, P(X))
The standard deviation, 
Everything you need is right there, you just have to do the arithmetic.
John
My calculator said it, I believe it, that settles it
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