Q5: A- Assuming there are 20% of measurement items are defective. If we choose a sample of 20 items, the probability of 3 defective items: 1. Using Binomial distribution 2. Using Poisson distribution...

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Extracted text: Q5: A- Assuming there are 20% of measurement items are defective. If we choose a sample of 20 items, the probability of 3 defective items: 1. Using Binomial distribution 2. Using Poisson distribution (25.5%, 20.5%) (22.4%, 19.5%) 1-1 B- For the table below: Class Frequency (fi) 60 - 69 12 70 - 79 14 80 – 89 90 - 99 100 – 109 110 - 119 120 - 129 11 Draw the histogram and polygon of frequency.