It is known that two percentage of laptop sold by ABC supplier malfunction within three years. The supplier offers a warranty period of three years. (b) (i) Find the probability that, out of 20 laptop, at least three laptop malfunction within the warranty period. (ii) Determine the least number of laptop, such that the probability that at least one laptop malfunctions within the warranty period is more than 0.9995.
It is known that two percentage of laptop sold by ABC supplier malfunction within three years. The supplier offers a warranty period of three years. (b) (i) Find the probability that, out of 20 laptop, at least three laptop malfunction within the warranty period. (ii) Determine the least number of laptop, such that the probability that at least one laptop malfunctions within the warranty period is more than 0.9995.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Question
![(b)
It is known that two percentage of laptop sold by ABC supplier malfunction within
three years. The supplier offers a warranty period of three years.
(i)
Find the probability that, out of 20 laptop, at least three laptop malfunction
within the warranty period.
(ii)
Determine the least number of laptop, such that the probability that at least
one laptop malfunctions within the warranty period is more than 0.9995.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8fc8c9a0-25da-4d0e-b500-4ecca489e623%2Fa451cd04-b109-4a1a-9eb6-eb1db245a3b2%2Fs83eoul_processed.png&w=3840&q=75)
Transcribed Image Text:(b)
It is known that two percentage of laptop sold by ABC supplier malfunction within
three years. The supplier offers a warranty period of three years.
(i)
Find the probability that, out of 20 laptop, at least three laptop malfunction
within the warranty period.
(ii)
Determine the least number of laptop, such that the probability that at least
one laptop malfunctions within the warranty period is more than 0.9995.
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