If MTBF represents mean time between failures, and MTTR represents mean time to repair, then availability is given by ______.

a. MTBF / MTTR
b. MTBF / (MTBF + MTTR)
c. MTBF / (MTBF – MTTR)
d. MTTR / MTBF


b. MTBF / (MTBF + MTTR)

Business

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Dean recently had a BRZ broadband connection installed. However, the connection was bad and he didn't get the quality he required. He contacted BRZ about the problem, but the company did not solve his problem. Dean switched to Blue Broadband

Which of the following was the cause of Dean's switching behavior? A) involuntary switching B) competition C) response to service failure D) service encounter failures E) inconvenience

Business

Mallard Corporation uses the product cost concept of product pricing. Below is cost information for the production and sale of 45,000 units of its sole product. Mallard desires a profit equal to a 12% rate of return on invested assets of $800,000. Fixed factory overhead cost $82,000 Fixed selling and administrative costs 45,000 Variable direct materials cost per unit 5.50 Variable direct labor

cost per unit 7.65 Variable factory overhead cost per unit 2.25 Variable selling and administrative cost per unit .90 The cost per unit for the production of the company's product is: A) $13.15 B) $17.22 C) $15.40 D) $15.75

Business

The optimal type of economic base is a _____ economic base

a. specialized b. commercial c. governmental d. diversified

Business

Which of the following is a comma pitfall?

A. Using commas to separate thousands, hundred thousands, millions, and so on, in numberswith more than four digits B. Using commas to set off introductory words, phrases, and clauses C. Using commas to set off parenthetical elements within sentences D. Using commas to separate a subject from its predicate

Business