3. A business owner is interested in using the data they have on customer satisfaction to make some predictions about their business. They know from experience that customers are satisfied 30% of the time. If they asked 10 people if they were satisfied, what is the probability that exactly 4 would be satisfied. Give your answer to four decimal places (x.xxxx).

*Hint - This is a binomial distribution and will require you to use the correct binomial table.

4. Using the information from question 3, what is the probability that less than 7 customers are satisfied? Give your answer to four decimal places (x.xxxx).

5. Using the information from question 3, what is the expected value for this binomial variable? Give your answer as a whole number.