Mathematics, 05.07.2021 19:20 tamiyahtapp
A factory is having problems with production equipment. As a result, 20% of the product wrappings are defective. If 10 products are selected at random, find the probability of the following:
1. Exactly 3 will have defective wrapping
2. At least 4 will have defective wrapping
3. At most 4 will have defective wrapping
4. At least 2 will have defective wrapping
5. Calculate the mean (i. e. expected value of x)
6. Calculate the standard deviation
Answers: 1
Mathematics, 22.06.2019 02:30
How many and of which kind of roots does the equation f(x)=x3−x2−x+1
Answers: 2
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