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The Future House factory produces LED light strips, eq ufv16 g2gqgc.8l,z9nevgtn19i a.5 \% of which arbt5wc ru2g:qo/6a+ai e found to be defet/aqa6u+g5 iwb2o r:cctive.
1. Write down the probability that a light strip produced by Future House is not defective.
Jack buys two light strips produced by Future House.
2. 1. Find the probability that both light strips are not defective. ≈
2. Find the probability that at least one of Jack's light strips is defective.
The Kingstar Lighting factory also produces LED light strips. The probability that a light strip produced by Kingstar Lighting is not defective is p . John buys three light strips produced by Kingstar Lighting.
3. Write down an expression, in terms of p , for the probability that at least one of John's three light strips is defective.
