NSA electronics is experimenting with the manufacture of a newtype of transistor that is very difficult to mass produce at anacceptable quality level. Every hour a supervisor takes a randomsample of 8 transistors produced on the assembly line. From thepast records, 15 per cent of transistors fail in qualityinspection.
4a) NSA wants to know the probability of 0 to 8 defectives ifthe percentage of defective is 15%
4b) At 95% confidence level how many samples will be defective?
4c) At 99% confidence level how many samples will be defective?