Consider a single-line, single-server waiting line system. Suppose that customers arrive according to a Poisson distribution at an average rate of 60 per hour, and the average (exponentially distributed) service time is 45 seconds per customer. What is the probability that there are no customers in the system?

A 15%
B 20%
c 25%
D 30%
E 35%

Colah company purchased $1.8 million of jackson, inc. 8% bonds at par on july 1, 2018, with interest paid semi-annually. when the bonds were acquired colah decided to elect the fair value option for accounting for its investment. at december 31, 2018, the jackson bonds had a fair value of $2.08 million. colah sold the jackson bonds on july 1, 2019 for $1,620,000. the purchase of the jackson bonds on july 1. interest revenue for the last half of 2018. any year-end 2018 adjusting entries. interest revenue for the first half of 2019. any entry or entries necessary upon sale of the jackson bonds on july 1, 2019. required: 1. prepare colah's journal entries for above transaction.

Which of the following statements about revision is most accurate? (a) you must compose first drafts quickly (sprint writing) and return later for editing. (b) careful writers always revise as they write. (c) revision is required for only long and complex business documents. (d) some business writers prefer to compose first drafts quickly and revise later; others prefer to revise as they go.

As you have noticed, the demand for flip phones has drastically reduced, and there are only a few consumer electronics companies selling them at extremely low prices. also, the current buyers of flip phones are mainly categorized under laggards. which of the following stages of the industry life cycle is the flip phone industry in currently? a. growth stage b. maturity stage c. decline stage d. commercialization stage