A project manoger hos compiled a list of major activities that will be required to install a computer information system in her firm. The list includes estimated completion times for activities and precedence relationships. Use and Table B2 Click here for the Excel Dato File a. Determine the mean and standard deviation for esch of the following poths in the project. (Round Mean and Standard Devlation to 2 decimal places.) Answer is complete and correct. b. If the project finishes within 26 weeks of its start, the project manoger receives o $1,000 bonus. What is the probobility of a $1,000 bonus? (Round z-value to 2 decimal places, and probability to 4 decimal places.) c. If the project finishes within 27 weeks of its start, the project manager receives 8$500 bonus. What is the probsbility of o $500 bonus? (Round z-value to 2 decimal places, and probability to 4 decimal places.) Answer is complete but not entirely correct