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An advertising company plans to market a product to low-income families. A study states that for a particular area, the average income per family is$24,596 and the standard deviation is$6256. If the company plans to target the bottom 18% of the families based on income, find the cut offincome. Assume the variable is normally distributed.
a professor would like to utilize the normal distribution to assign grades such that 5 of students receive as. if the
A statistics student wants to predict the annual salaries of employees at one large company. He wants to know if he can use the number of years that someone has worked at the company to predict his or her annual salary.
weekly commodity prices for heating oil in cents were obtained for a period of 30 weeks and regresses against time.
The post anesthesia care area (recovery room) at St. Luke's Hospital in Maumee, Ohio was recently enlarged. The hope was that with the enlargement the mean number of patients per day would be more than 25.
when an entity has completed all the processing in the system what should we do with it? where should it be routed?
salte corporation is issuing new common stock at a market price of 33. dividends last year were 1.65 and are expected
Pulte homes is developing two parcels near Medical Center in Houston, TX. In order to test different advertising approaches, they use different media to reach potential buyers.
what is the area under the normal curve between z -1.0 and z
Explain clearly what is meant by a false negative rate of 5% and a false positive rate of 15%. If the population were screened, what proportion would be expected to test negative for metropathy?
Sun Microsystems has approximately 50% of the high-end Unix machines market with its closest competitor being IBM. Suppose that 15 firms were in the market to purchase a high-end Unix machine. Assume that these firms listened to sales pitches by a..
Children inherit their blood type from their parents, with probabilities that re?ect the parents' genetic makeup. Children of Juan and Maria each have probability 1/4 of having blood type A and inherit independently of each other. Juan and Maria pl..
Assume that 89 percent of all batteries have acceptable voltages. Let Y be the number of batteries that must be tested until finding two acceptable ones. What is the probability that Y=6?
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