The reliability of a manufacturing process is defined to be the proportion of non-defective items, which are
The reliability of a manufacturing process is defined to be the proportion of non-defective items, which are
produced. An electronic firm claims that the reliability of the computer chips they manufacture is 98%. A random sample of 1000 chips is tested. If you would like to calculate the probability to detect at least 200 defective chips, what distribution of the number of the defective items is appropriate to use :
| Normal (mean = 1000, st.deviation = 0.02) |
| Binomial(n = 1000, p = 0.98) |
| Normal (mean = 20, st.deviation = 4.43) |
| Binomial(n = 200, p = 0.02) |
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