Customer satisfaction probability
Let the random variable ξ represent the number of satisfied customers. The probability of a satisfied customer for each of the four customers is 7/10. Specify:
a) probability distribution, distribution function F(x) and P(-0.5 < ξ < 3.1)
b) variance of the random variable ξ.
Your answer:
a) probability distribution, distribution function F(x) and P(-0.5 < ξ < 3.1)
b) variance of the random variable ξ.
Your answer:
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