A person randomly selects one of six envelopes. Each envelope contains a check that the person gets to keep. Determine the person's expectation if the six envelopes contain checks for $95, $168, $315,...

Extracted text: A person randomly selects one of six envelopes. Each envelope contains a check that the person gets to keep. Determine the person's expectation if the six envelopes contain checks for $95, $168, $315, $351, $521, and $966. The expected value is $. (Round to the nearest cent as needed.)