preceding activities succeeding activities the particular activity involved none of the above

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free float of the activity must be zero but independent float need not be zero independent float must be zero but free float need not be zero free float and independent float both must be zero free float and independent float both need not be zero

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Poisson's distribution curve normal distribution curve binomial distribution curve β- distribution curve

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normal distribution curve Poisson's distribution curve β - distribution curve none of the above

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most likely time expected time pessimistic time optimistic time

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Earliest start of an activity is the early event time of the node it leaves Latest finish of an activity is the late event time of the node it enters Latest start of an activity is its latest finish minus its duration none of the above

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Start float and finish float are the differences between activity times and not event times Total float can be either start float or finish float Start float and finish float are always equal Start float and finish float need not be equal

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Critical activity is the one for which free float is zero A critical path always begins at very first event Critical activities control the project duration A critical path always terminates the last event

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resource smoothening updating resource leveling critical path scheduling

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total float and free float total float and independent float free float and independent float none of the above

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