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you are planning to make sales calls at eight firms today as a rough approximation you figure that each call has a 20
question you are planning to interview 350 consumers randomly selected from a large list of likely sales prospects in
its been a bad day for the market with 80 of securities losing value you are evaluating a portfolio of 15 securities
question you have just sent out a test mailing of a catalog to 1000 people randomly selected from a database of 12320
your firm has decided to interview a random sample of 10 customers in order to determine whether or not to change a
question you expect a mean of 1671 warranty repairs next month with the actual outcome following a poisson
suppose that the number of hits on your companys website from noon to 0100 pm on a typical weekday follows a normal
question if tomorrow is a typical day your human resources division will expect to receive resumes from 175 job
find the probability that you will see moderate improvement in productivity meaning an increase in productivity between
under usual conditions a distillation unit in a refinery can process a mean of 135000 barrels per day of crude
question on a typical day your clothing store takes care of 26 special customers on average these customers are taken
question customers arrive at random times with an exponential distribution for the time between arrivals currently the
the quality control section of a purchasing contract for valves specifies that the diameter must be between 253 and 257
assume that the stock market closed at 13246 points today tomorrow you expect the market to rise a mean of four points
question a tv system is expected to last for 50000 hours before failure assume an exponential distribution for the time
based on recent experience you expect this saturdays total receipts to have a mean of 235325 and a standard deviation
the amount of ore in tons in a segment of a mine is assumed to follow a normal distribution with mean 185 and standard
question assuming the appropriate probability distribution for the situation described in the preceding problema find
question you have a position open and are trying to hire a new person assume that the new persons experience will
you are a farmer about to harvest your cropto describe the uncertainty in the size of the harvest you feel that it may
question suppose males and females are equally likely and that the number of each gender follows a binomial
question choose a continuous random quantity that you might deal with in your current or future work as an executive
although you do not know the exact total amount of payments you will receive next month based on past experience you
question choose a discrete random quantity taking on from 3 to 10 different values that you might deal with in your
a new project will be declared successful if you achieve a market share of 10 or more in the next 2 yearsyour marketing