The determined value of mean µ is 1.3 and variance σ² is 0.81.
What is mean and variance?
The table is attached as an image for reference.
Mean µ = ∑X P(X)
µ = 1.3
Variance (σ² ) = ∑ X² P(X)- (µ)²
= 2.5-(1.3)²
(σ² ) = 0.81
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Answer:
15
Step-by-step explanation: