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 $75, $159, $300,...

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 $75, $159, $300, $362, $456, and $1074. The expected value is $ (Round to the nearest cent as needed.)