Can you help solve this question for me ?

3. Nicky sells real estate speaking to, on average, 8.6 clients per day. What is the probability that one day she speaks to: a. 8 clients? b. 14 clients? c. More than 5 clients? d. No more than 6 clients? e. From 3 to 10 clients? f. What is the standard deviation of the number of clients she can expect to speak to? 8. The range rule of thumb values/limits for an unusual number of clients spoken to