A Worker Is Assigned Three Tasks,A,B,and C,each Having a Duration

question 5

Multiple Choice

A worker is assigned three tasks,A,B,and C,each having a duration of 10 days.One approach to completing these tasks would be to focus on one at a time,complete it,and then move to the second,followed by the third.One multitasking approach would call for dividing each task in half and rotating from one to the other so that the first halves of A,B,and C are completed before the second halves of A,B,and C are completed (always in this order) .What is the difference in the average completion times for the multitasked activities when compared to the one at a time approach?

• A)The multitasked activities take 5 days longer.
• B)There is no difference in completion times for the two approaches.
• C)The multitasked activities take 5 days less.
• D)The multitasked activities take half the time.

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Definitions:

Quartz

A hard, crystalline mineral composed of silicon dioxide (SiO2), widely used in jewelry and as an industrial abrasive.

Igneous Rock

A type of rock that comes into existence when lava or magma cools and turns solid.

Pyroclastic Flow

A fast-moving current of hot gas and volcanic materials (such as ash) that flows down the sides of a volcano during an explosive eruption.

Hot

Having a high temperature, often used in the context of describing the thermal state of magma, lava flows, or the Earth's core.