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. a. What is the probability that a bulb is defective? UTM &UTM 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 detected?
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. a. What is the probability that a bulb is defective? UTM &UTM 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 detected?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Transcribed Image Text:1. Twelve electric bulbs are drawn independently every hour from a production line at a factory.
UTM
a. What is the probability that a bulb is defective?
The number of defective bulbs are random and independent. Suppose that the probability of
finding no defective bulb is 0.5072.
b. Hence, what is the probability that two or more bulbs are defective?
UTM UTM UTM
UTM
c. What is the probability that three or more bulbs tested are the second defective bulbs
detected?
UTM
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