Maddy waits tables and has determined that 12% of her tables leave her 12 percent tip, 30% of her tables leave her 15 percent tip, 48% of her tables leave her 18 percent tip, and 10% of her tables leave her 20 percent tip.Fill in the table of values below to find the expected percentage of tips that Maddy receives.

(Enter X as a whole number, P(X) as a decimal with two decimal digits, and X*P(X) as a decimal with two decimal digits)

X₁=P(X₁) =X₁*P(X₁) =

X₂=P(X₂) =X₂*P(X₂) =

X₃=P(X₃) =X₃*P(X₃) =

X₄=P(X₄) =X₄*P(X₄) =

Maddy's expexted percent tip per table is E(X) =%