Will be (a) What is the probability that none of the balloons in a packet will be defective? (b) What is the probability that at most one of the balloons in a packet will be defective? (c) What proportion of the packets will be returned (assuming that customers always take advantage of the guarantee)?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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4) The KOOL BALLOONS company knows that the balloons it produces will be defective
with probability 0.02 (independently of one another). KOOL BALLOONS sells its
balloons in packets of 12 and offers a money back guarantee that at most 1 of the 12
balloons in a packet will be defective.
(a) What is the probability that none of the balloons in a packet will be defective?
(b) What is the probability that at most one of the balloons in a packet will be
defective?
(c) What proportion of the packets will be returned (assuming that customers always
take advantage of the guarantee)?
(d) If someone buys four packets, what is the probability that exactly one of them
Transcribed Image Text:4) The KOOL BALLOONS company knows that the balloons it produces will be defective with probability 0.02 (independently of one another). KOOL BALLOONS sells its balloons in packets of 12 and offers a money back guarantee that at most 1 of the 12 balloons in a packet will be defective. (a) What is the probability that none of the balloons in a packet will be defective? (b) What is the probability that at most one of the balloons in a packet will be defective? (c) What proportion of the packets will be returned (assuming that customers always take advantage of the guarantee)? (d) If someone buys four packets, what is the probability that exactly one of them
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