Ross Hopkins, president of Hopkins Hospitality, has developed the tasks, durations, fand predecessor relationships in the following table for building ne motels. a) The expected (estimated) time for activity C is weeks. (Round your rosponse to two decimal places.) a) The expected (estimated) time for activity C is weeks. (Round your rosponse to two docimal places) b) The varlance for activity Cl weeks. (Round your response to ho decimal places) c) Based on the calculation of the estimated times, the cuical path is O) The eitimated time for the citicat path is week. Round your response to bo decimal plo e) The activity variance along the cilical path is weeks. (Round your response to ho decinal places) nuthing the (Enter as a probability and rout recponse to three deomar plisces]