Mathematics, 05.11.2019 23:31 bananaslugs
When circuit boards used in the manufacture of compact disc players arc tested, the long-run percentage of defectives is 5%. let x= the number of defective boards in a random sample of size n=25, so
x∼bin(25,0.05).
(a) determine p(x=3).
(b) determine p(x≤3).
(c) determine p(x≥4).
(d) determine p(1≤x≤3).
(e) what is the probability that none of the 25 boards is defective?
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When circuit boards used in the manufacture of compact disc players arc tested, the long-run percent...
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