A Package Contains 10 Resistors, 2 of Which Are Defective $\approx 0.3571$

question 147

Multiple Choice

A package contains 10 resistors, 2 of which are defective. If 3 are selected, find the probability of getting 1 defective resistor.

• A) \(\approx 0.3571\)
• B) \(\approx 0.4667\)
• C) \(\approx 0.0167\)
• D) \(\approx 0.2333\)

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Definitions:

Labor Rate Variance

The difference between the actual hourly wage paid to workers and the standard or expected wage rate, multiplied by the total hours worked.

Standard Amount

A benchmark or norm set for the quantity or cost of inputs in producing a specific product or in carrying out a process.

Actual Output

The real, quantifiable production achieved within a given time period, often compared against planned or potential output.

Labor Efficiency Variance

The difference between the actual labor hours worked and the expected labor hours, multiplied by the standard labor rate, indicating efficiency in labor use.