La U. S. Bureau of Labor Statistics informa que el gasto promedio anual en alimentos y bebidas de una familia es $5700 (Money, diciembre de 2003). Suponga que los gastos anuales en alimentos y bebidas están distribuidos en forma normal y que la desviación estándar es $1500. A. ¿Cuál es el intervalo en que se encuentran los gastos de 10% de las familias que tienen los menores gastos anuales en alimentos y bebidas? B. ¿Qué porcentaje de las familias gasta más de $7000 anualmente en alimentos y bebidas? C. ¿Cuál es el intervalo en el que se encuentran los gastos de 5% de las familias que tienen los gastos más altos en alimentos y bebidas?

Miller mfg. is analyzing a proposed project. the company expects to sell 8,000 units, plus or minus 2 percent. the expected variable cost per unit is $11 and the expected fixed costs are $287,000. the fixed and variable cost estimates are considered accurate within a plus or minus 5 percent range. the depreciation expense is $68,000. the tax rate is 32 percent. the sales price is estimated at $64 a unit, plus or minus 3 percent. what is the earnings before interest and taxes under the base case scenario?

Captain john's yachts, inc., located in fort lauderdale, florida, rents three types of ocean-going boats: sailboats, cabin cruisers, and captain john's favorite, the luxury yachts. captain john advertises his boats with his famous "you rent"we pilot" slogan, which means that the company supplies the captain and crew for each rented boat. each rented boat has one captain, of course, but the crew sizes (deck hands, galley hands, etc.) differ. the crew requirements, in addition to a captain, are one for sailboats, two for cabin cruisers, and three for yachts. ten employees are captains, and an additional 18 employees fill the various crew positions. currently, captain john has rental requests for all his boats: four sailboats, eight cabin cruisers, and three luxury yachts. if captain john's daily profit contribution is $50 for sailboats, $70 for cruisers, and $100 for luxury yachts, how many boats of each type should he rent?

Select the correct answer. martha is a healer, a healthcare provider, and an experienced nurse. she wants to share her daily experiences, as well as her 12 years of work knowledge, with people who may be interested in health and healing. which mode of internet communication can martha use? a. wiki b. email c. message board d. chat e. blog