answer all these multiple questions

note

need the answers quickly

- 4. Which type of queuing system are youl ikely to encounter at an ATM? - a. Single waiting line, single service station - b. Multiple waiting lines, single service sta tion. - c. Single waiting line, multiple service stati ons. - d. Multiple waiting lines, multiple service s tations. 6.If the arrival process is modeled as a Poisson random variable with arrival rate , then the average time between arrivals is a. 1/ b. 1/ c. 1/2 d. - 7.For a Poisson random variable, represe nts the number of arrivals per time pe riod - a. maximum b. minimum c. average d. standard deviation of - 8.A Poisson distribution shape can be de scribed as a. slightly skewed to the left. b. symmetric around the parameter. c. skewed to the right. d. discrete so it lacks any definable shape - 9.If the number of arrivals in a time period follow a Poisson distribution with mean th en the inter-arrival times follow a(n) d istribution with mean a. normal; b. constant ; c. exponential; d. exponential; 1/ - 5. Which type of queuing system are youl ikely to encounter at a grocery store? - a. Single waiting line, single service station - b. Multiple waiting lines, single service sta tion. - c. Single waiting line, multiple service stati ons. - d. Multiple waiting lines, multiple service s