Question

A toy store employee counted the number of toys in each bin in the sale section. Toys per bin 6 6 6 6 18 18 18 18 18 18 18 18 18 93 93 93 93 93 93 93 X is the number of toys that a randomly chosen bin had. What is the expected value of X? Write your answer as a decimal.

Answer 1

We get that the expected value is

$E(X)=\frac{6\cdot4+18\cdot9+93\cdot7}{20}=41.85$