a. What is the probability that a bulb is defective? b. Hence, what is the probability that two or more bulbs are defective? c. What is the probability that three or more bulbs tested are the second defective bulbs UTM detected? UTM UTM

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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UTM
1. Twelve electric bulbs are drawn independently every hour from a production line at a factory.
The number of defective bulbs are random and independent. Suppose that the probability of
finding no defective bulb is 0.5072.
UTMUTM
a. What is the probability that a bulb is defective?
b. Hence, what is the probability that two or more bulbs are defective?
What is the probability that three or more bulbs tested are the second defective bulbs
detected?
UTM
UTM UTM
UTMUTM
UTM
UTMAU
UTM
SUTM U
Transcribed Image Text:UTM 1. Twelve electric bulbs are drawn independently every hour from a production line at a factory. The number of defective bulbs are random and independent. Suppose that the probability of finding no defective bulb is 0.5072. UTMUTM a. What is the probability that a bulb is defective? b. Hence, what is the probability that two or more bulbs are defective? What is the probability that three or more bulbs tested are the second defective bulbs detected? UTM UTM UTM UTMUTM UTM UTMAU UTM SUTM U
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