Smartphone adoption among younger adults has increased substantially and mobile access to the Internet is pervasive. Thirteen percent of young adults in one study are​ "smartphone-dependent," meaning...

Smartphone adoption among younger adults has increased substantially and mobile access to the Internet is pervasive. Thirteen percent of young adults in one study are​ "smartphone-dependent," meaning that they do not have home broadband service and have limited options for going online other than their mobile device. Consider a sample of 10 young adults selected. Show your work and round to fourth decimal.

1. What is the probability that 1 is ​smartphone-dependent?

2. What is the probability that 1 is ​smartphone-dependent?

3. What is the probability that at most 3 are dependent?