Address the five conditions of a binomial distribution in the textbook.

2. What is the random variable in this problem? i.e., what does X represent and what values can it have?)

3. What is the probability that **exactly 3** have regular family dinners?

4. What is the probability that **6 or fewer** have regular family dinners?

5. What is the probability that **at least 4** have regular family dinners?

6. What is the probability that **more than 7** have regular family dinners?

7. What is the mean number of families out of a sample of 10 that you would expect to have regular family dinners? What is the standard deviation of the distribution?