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II Cumulative Cumulative Number of Particles Frequency Number of Particles Frequency 8 84 3 88 10 93 3 18 11 96 29 12 13 97 5 44 99 6 62 14 100 7 72 a) What proportion of the sampled wafers had (P> 5)? b) What proportion of the sampled wafers had between (4< P < 8)?

II Cumulative Cumulative Number of Particles Frequency Number of Particles Frequency 8 84 3 88 10 93 3 18 11 96 29 12 13 97 5 44 99 6 62 14 100 7 72 a) What proportion of the sampled wafers had (P> 5)? b) What proportion of the sampled wafers had between (4< P < 8)?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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The number of contaminating particles on a silicon wafer prior to a certain rinsing process was determ for each wafer in a sample size 100, resulting in the following frequencies: Cumulative Cumulative Number of Particles Frequency Number of Particles Frequency 8 84 3 9. 88 2 6. 10 93 3 18 11 96 4 29 12 97 5 44 13 99 62 14 100 7 72 a) What proportion of the sampled wafers had (P > 5) ? b) What proportion of the sampled wafers had between (4<P < 8)?
Transcribed Image Text:The number of contaminating particles on a silicon wafer prior to a certain rinsing process was determ for each wafer in a sample size 100, resulting in the following frequencies: Cumulative Cumulative Number of Particles Frequency Number of Particles Frequency 8 84 3 9. 88 2 6. 10 93 3 18 11 96 4 29 12 97 5 44 13 99 62 14 100 7 72 a) What proportion of the sampled wafers had (P > 5) ? b) What proportion of the sampled wafers had between (4<P < 8)?
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