the float may be positive, zero or negative

if the float is positive and the activity is delayed by a period equal to its total float, the completion of project in not delayed

if the float of an activity is negative, delay in its performance is bound to delay the completion of project

all of the above.

positive value

negative value

zero value

same value

to concentrate his attention on critical activities

to divert the resources from non-critical advanced activities to critical activities

to be cautious for avoiding any delay in the critical activities to avoid delay of the whole project

all of the above

free float = total float

independent float = total float

independent float > free float

independent float < free float.

normal time

slow time

crash time

standard time