When a machine is working properly only 4% of the units it produces are defective.When it slips out of adjustment, the rate jumps to 25% and the machine has to be shut down and adjusted.On 90% of the mornings when production restarts, the machine is in proper adjustment.You turn on the machine this morning and produce the first unit.If the first unit is defective, what is the probability that the machine is in adjustment?
A).563
B).360
C).10
D).536
E).618

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The Answer of When a machine is working properly only 4% of the units it produces are defective.When it slips out of adjustment, the rate jumps to 25% and the machine has to be shut down and adjusted.On 90% of the mornings when production restarts, the machine is in proper adjustment.You turn on the machine this morning and produce the first unit.If the first unit is defective, what is the probability that the machine is in adjustment?
A).563
B).360
C).10
D).536
E).618

When a Machine Is Working Properly Only 4% of the Units