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A gasoline tank for a certain car is designed to hold 15 gals of gas. Suppose that the variable x = actual capacity of a randomly selected tank has a distribution that is well approximated by a normal curve with a mean of 15.0 gal and standard deviation of 0.1 gal. What is the probability that a randomly selected tank will hold
a.) at most 14.8 gal?b.) between 14.7 and 15.1 gal?c.) at least 14.9 gal?
In past, mean processing time was 45 days. At 0.05 level of significance, is there evidence that mean processing time has changed from 45 days?
Gigi has rolled a natural on four straight tosses of the dice. This excites the gamblers standing around the table.
Identify a business situation where you might want to make an estimate. For example, you might want to estimate the mean dollar amount spent by customers at a retail store.
A random sample obtained from a population has a mean of µ=100 and a standard deviation of σ = 20. The error between the sample mean and the population mean for a sample of n = 16 is 5 points and the error between a sample men and population mean ..
The accountant will use a sample of weekend guest bills to test the manager's claim. Which form of the hypotheses should be used to test the manager's claim? Explain.
Based on this information, by what factor does the risk of having an accident increase due to driving while intoxicated?
A study of 100 sedentary people in this age group is planned to test whether they have a higher or lower level of plasma glucose then the general population.
Suppose that the lives of all such bulbs have a normal distribution with a mean of 750 hours and a standard deviation of 55 hours. Let x (sample mean) be the mean life of range sample of 25 such bulbs.
There is no significant difference in the mean household incomes between the two neighborhoods +0.05
High precision titanium spheres are popular components in manufacturing of ball bearings. A factory has ordered a shipment of 5000 titanium spheres from aboard. It is found that the shipment has a mean radius of 1.5 cm with a standard deviation ..
Formulate and solve a 0-1 integer linear program model that can be used to find the minimum number of locations necessary to provide coverage to all areas. Clearly indicate your linear program model.
If Ashley Company accounts for the investment as a minority, passive and classifies the investment as an available-for-sale investment, Ashley will recognize what amount of 2010 income from the investment?
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