Marty's barber shop has one barber. customers have an arrival rate of 2.3 customers per hour, and haircuts are given with a service rate of 5 per hour. use the poisson arrivals and exponential service times model to answer the following questions: 1. what is the probability that one customer is receiving a haircut and one customer is waiting?
2. what is the probability that one customer is receiving a haircut and two customers are waiting?
3. what is the probability that more than two customers are waiting?

Yuri, sam and dani had the same math homework last night, but none of them finished it. yuri finished 3/8 of her homework, sam finished 4/6 of her homework and dani finished 1/2. who finished the most math homework? who finished the least amount?

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

What are different types of statistical programs