On a Particular Production Line, the Likelihood That a Light

question 148

Multiple Choice

On a particular production line, the likelihood that a light bulb is defective is 5%. Ten light bulbs are randomly selected. What are the mean and variance of the number of defective bulbs?

• A) 0.475 and 0.475
• B) 0.475 and 0.6892
• C) 0.50 and 0.475
• D) 0.50 and 0.6892