Although consumers may have fairly good knowledge of the range of prices involved, very few can accurately recall specific prices of products

Employment trends in public relations indicate that ________

A) hiring of people from diverse cultures has decreased in the last decade B) entry-level practitioners frequently earn more than $100,000 per year C) fewer women than men are entering the field D) the long-term future of public relations appears to be steady and strong

Determine the average time that a snowplow is out of service

A crew of mechanics at the Department of Transportation garage make minor repairs to snowplows during the winter. The snowplows break down at an average rate of 4 vehicles per day and breakdowns are distributed according to the Poisson distribution. The mechanic can service an average of 7 vehicles per day with a repair time distribution that approximates a negative exponential distribution. Assume an 8 hour day. A) .33 hours B) 20 minutes C) 2.64 hours D) .19 days