1. A study indicates that 5% of American teenagers have tattoos. You randomly2. A cell phone is made from 45 components. Each component has a .003 probability of being defective. What is the...

1. A study indicates that 5% of American teenagers have tattoos. You randomly2. A cell phone is made from 45 components. Each component has a .003 probability of being defective. What is the probability that such a cell phone will not work perfectly3. A toy company manufactures toy robots. About 1 toy robot per 100 does not work. You purchase 40 toy robots. What is the probability that exactly 6 do not work?