If a delay in an activity will delay completion of the whole project, the activity has slack.a. Trueb. FalseThe critical path is the sequential path of interrelated activities which has thea. most activiuesb. longest timec. most nodesd. most eventse. most arrowsIf a delay in an activity will delay completion of the whole project, the activitya. is on the critical pathb. has slackc. is costlyd. is a dummye. Is represented by a nodeThe sum of the activity times on the critical path determinesa) total slack availableb) total labor time required for the projectc) minimum time to complete the project.d) the number of milestonese) amounting of crashing that needs to be done