A Work Cell Is Required to Make 140 Computerized Diagnostic

question 64

Essay

A work cell is required to make 140 computerized diagnostic assemblies (for installation into hybrid automobiles)each day.The cell currently works an eight hour shift,of which seven hours is available for productive work.These assemblies require five operations.Standard times for these operations are: Operation A,3.0 minutes,B,1.8 minutes,C,2.4 minutes,D,2.5 minutes,and E,1.4 minutes.
(a)What is takt time for this cell?
(b)How many workers will be needed to achieve this schedule?

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Definitions:

P-value

The probability of observing data at least as extreme as the observed data, given that the null hypothesis is true.

Null Hypothesis

The hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true, typically denoted by alpha (α), used as a threshold to gauge the strength of the evidence against the null hypothesis.

Test Statistic

A statistic calculated from sample data that is used in a hypothesis test to decide whether to reject the null hypothesis.