Stanford Rosenberg Computing wants to establish an assembly line for producing a new​ product, the Personal Digital Assistant​ (PDA). The​ tasks, task​ times, and immediate predecessors for the tasks are as​ follows:                                                                       Task Time ​(sec) Immediate Predecessor A 11   − B 15   A C 7   A D 4   ​B, C E 20   D   ​Rosenberg's goal is to produce 175 PDAs per hour. ​a) The cycle time for the production of a PDA​ = nothing seconds ​(round your response to two decimal​ places). B)  what's the minimum number of workstations in the assembly line? C) Can the minimum actually be reached when workstations are assigned?

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Stanford Rosenberg Computing wants to establish an assembly line for producing a new​ product, the Personal Digital Assistant​ (PDA). The​ tasks, task​ times, and immediate predecessors for the tasks are as​ follows:
                                                                     
Task
Time
​(sec)
Immediate Predecessor
A
11
 
B
15
 
A
C
7
 
A
D
4
 
​B, C
E
20
 
D
 
​Rosenberg's goal is to produce
175
PDAs per hour.
​a) The cycle time for the production of a PDA​ =
nothing
seconds ​(round your response to two decimal​ places).
B)  what's the minimum number of workstations in the assembly line?
C) Can the minimum actually be reached when workstations are assigned?
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