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The number of contaminating particles on a silicon wafer prior to a certain rinsing process was determined for each wafer in a sample of size 100, resulting in the following frequencies: Number of particles          0     1     2     3     4     5     6     7     8     9     10     11     12     13     14 Frequency 1 3 3 12 11 15 16 10 12 4 5 3 2 2 1     (a) What proportion of the sampled wafers had at least one particle? At least five particles? (Round your

The number of contaminating particles on a silicon wafer prior to a certain rinsing process was determined for each wafer in a sample of size 100, resulting in the following frequencies: Number of particles          0     1     2     3     4     5     6     7     8     9     10     11     12     13     14 Frequency 1 3 3 12 11 15 16 10 12 4 5 3 2 2 1     (a) What proportion of the sampled wafers had at least one particle? At least five particles? (Round your

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter29: Tolerance, Clearance, And Interference
Section: Chapter Questions
Problem 16A: Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector...
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The number of contaminating particles on a silicon wafer prior to a certain rinsing process was determined for each wafer in a sample of size 100, resulting in the following frequencies:

Number of particles          0     1     2     3     4     5     6     7     8     9     10     11     12     13     14
Frequency 1 3 3 12 11 15 16 10 12 4 5 3 2 2 1
 
 
(a) What proportion of the sampled wafers had at least one particle? At least five particles? (Round your answers to two decimal places.)
at least one particle      
at least five particles      

(b) What proportion of the sampled wafers had between five and ten particles, inclusive? Strictly between five and ten particles? (Round your answers to two decimal places.)
between five and ten particles, inclusive      
strictly between five and ten particles      

(c) Draw a histogram/bar chart using relative frequency on the vertical axis.
 
 
How would you describe the shape of the histogram?
The histogram is negatively skewed and bimodal.The histogram is positively skewed and bimodal.    The histogram is positively skewed and unimodal.The histogram is fairly symmetric and unimodal.The histogram is negatively skewed and unimodal.The histogram is fairly symmetric and bimodal.
How would you describe the shape of the histogram? O The histogram is negatively skewed and bimodal. O The histogram is positively skewed and bimodal. O The histogram is positively skewed and unimodal. O The histogram is fairly symmetric and unimodal. O The histogram is negatively skewed and unimodal. O The histogram is fairly symmetric and bimodal.
Transcribed Image Text:How would you describe the shape of the histogram? O The histogram is negatively skewed and bimodal. O The histogram is positively skewed and bimodal. O The histogram is positively skewed and unimodal. O The histogram is fairly symmetric and unimodal. O The histogram is negatively skewed and unimodal. O The histogram is fairly symmetric and bimodal.
The number of contaminating particles on a silicon wafer prior to a certain rinsing process was determined for each wafer in a sample of size 100, resulting in the following frequencies: Number of particles 0 1 2 3 4 5 6 8 9 10 11 12 13 14 Frequency 1 3 3 12 11 15 16 10 12 4 3 2 2 1 In USE SALT (a) What proportion of the sampled wafers had at least one particle? At least five particles? (Round your answers to two decimal places.) at least one particle at least five particles (b) What proportion of the sampled wafers had between five and ten particles, inclusive? Strictly between five and ten particles? (Round your answers to two decimal places.) between five and ten particles, inclusive strictly between five and ten particles (c) Draw a histogram/bar chart using relative frequency on the vertical axis. Percent Percent 15 15 10 10 5 Number Number 0 1 2 3 4 5 6 7 8 9 1011121314 0 1 2 3 4 5 6 7 8 9 1011121314 Percent Percent 15 15 10 10 5 Number Number 0 1 2 3 4 5 6 7 8 9 1011121314 0 1 2 3 4 5 6 7 8 9 1011121314
Transcribed Image Text:The number of contaminating particles on a silicon wafer prior to a certain rinsing process was determined for each wafer in a sample of size 100, resulting in the following frequencies: Number of particles 0 1 2 3 4 5 6 8 9 10 11 12 13 14 Frequency 1 3 3 12 11 15 16 10 12 4 3 2 2 1 In USE SALT (a) What proportion of the sampled wafers had at least one particle? At least five particles? (Round your answers to two decimal places.) at least one particle at least five particles (b) What proportion of the sampled wafers had between five and ten particles, inclusive? Strictly between five and ten particles? (Round your answers to two decimal places.) between five and ten particles, inclusive strictly between five and ten particles (c) Draw a histogram/bar chart using relative frequency on the vertical axis. Percent Percent 15 15 10 10 5 Number Number 0 1 2 3 4 5 6 7 8 9 1011121314 0 1 2 3 4 5 6 7 8 9 1011121314 Percent Percent 15 15 10 10 5 Number Number 0 1 2 3 4 5 6 7 8 9 1011121314 0 1 2 3 4 5 6 7 8 9 1011121314
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