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Suppose that 20% of the homes in a neighborhood has a swimming pool in their backyards and 50% has a garage. 15% of homes have both a garage and a swimming pool. a. What is the probability that a home has a garage but not a swimming pool? b. What is the probability that a home has neither a garage nor a swimming pool? c. You see a home in this neighborhood with a garage. Given that the home has a garage, what is the probability that it also has a swimming pool in the backyard? d. What is the probability that you see two homes in a row with garages in this neighborhood?
One of the non-destructive tests (NDTs) for assessment of the integrity of concrete structures is ultrasonic pulse velocity testing. The test can signal that a concrete section is either intact or that a problem exists.
Choose and calculate the appropriate analysis to compare the anxiety levels of the participants in the CBT treatment to those in the psychodynamic treatment using posttest scores only.Choose and calculate the appropriate analysis to compare the an..
At the .01 significance level, can the manufacturer conclude that the price reduction resulted in an increase in sales?
The population of incomes in a particular community is thought to be highly right-skewed with a mean equal to $36,789 and a standard deviation equal to $2,490.
Using the probability formulas, find the proportion of employees who either have MBAs or are managers.
Find the best point estimate of the mean salary of all NCAA football coaches.
The production line that packages boxes of raisins at a snack food manufacturer will be considered operating properly if the average weight of the boxes of raisin is 3.5 ounces with a standard deviation of 0.3 ounces.
Find the proportion of employees who are managers and have MBA degrees.
San francisco also reported that a scientific polling organization found that new zealanders favor the law by a margin of 56.4% to 39.3%. Explain why the two polls can give such widely differing results and which poll is likely to be more reliable..
A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02. What is the probability that (a) both will fail? (b) Neither will fail? (c) One or the oth..
A random sample of five observations from the first sample resulted in a standard deviation of (12). A random sample of seven observations from the second sample gave a standard deviation of (7) at the (.01) significance level.
What descriptive summary measures would you use to present the data. which measure is the best to use and which is the worse and why?
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