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Item 3 A manufacturer makes lightbulbs and claims that their reliability is 98 percent. Reliability is defined to be the proportion of nondefective items that are produced over the long term. If the company's claim is correct, what is the expected number of nondefective lightbulbs in a random sample of 1,000 bulbs?

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temdan2001

Answer:

980 is the expected number of nondefective lightbulbs in a random sampling of 1,000 bulbs

Explanation:

If the company claims is right, this is the task that should be done

Lightbulbs = 1,000 * 0.98 = 980

Therefore, 980 working bulbs is expected out of a sample of 1,000 lightbulbs