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You have two investment opportunities. One will have a 10% rate of return on an investment of $500; the other will have an 11% rate of return on a principal of $700. You would like to take an advantage of the higher yield investment but have only $500 available. What is the maximum rate of return that you would pay to borrow the $200 need to take advantage of the high yield investment?
The managers in a company's East and West regions were rated on the basis of the company's evaluation system. A researcher wishes to conduct a t-test of means to determine if there is a difference between the East and West regions.
Determine the cost Xs to develop the support system for which the probability of exceeding Xs is equal to 0.01?
When the null hypothesis is rejected in the goodness-of-fit test, it means there is close agreement between the observed and expected frequencies.
A recent article in the Arizone Republic indicated that the mean sellingprice of the homes in the area is more than $220,000. Can we conclude that the mean selling price in the Goodyear, AZ area is more than $220,000.
What is the probability that a particular driver had exactly two speeding violations?
Let independent variable x represent years since 1950. Determine quadratic regression model for per capita cigarette consumption.
Estimate with 95% confidence the mean reduction in time it takes for someone who has taken the sleeping pill to fall asleep.
What is the break-even cost? What is the profit for 75 units of feed sold? How many units must be sold to produce a profit of $1020?
Assume that cans of Coke are filled so that the actual amounts have a mean of 12.00 oz and a stand. dev. of 0.11 oz. Find the P that a sample of 36 cans will have a mean amount of at least 12.19 oz.
A random variable is normally distributed with a mean of 25 and a standard deviation of 5. If an observation is randomly selected from the distribution:
A student with a 3.5 to 4 grade point average who took standardized test is randomly selected. Determine the probability that students test score is less than 36.
What proportion of the variability in steel shipments for motor vehicles is described by regression equation?
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