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In a standard clover-leaf interchange, there are four ramps for making right-hand turns, and inside these four ramps, there are four more ramps for making left-hand turns. Your car approaches the interchange from the south. A mechanism has been installed so that at each point where there exists a choice of directions, the car turns to the right with fixed probability r. If r=1/2, what is your chance of everging from the interchange going west?
a trucking firm has trucks that average a payload of 31.5 tons and a standard deviation of 3.75 tons. an accounting
To investigate the fluid mechanics of swimming, twenty swimmers each swam a specified distance in a water-filled pool and in a pool where the water was thickened with food grade guar gum to create a syrup-like consistency. Velocity, in meters per sec..
determine if the statement is a typical null hypothesis ho or alternative hypothesis ha. the average time to graduate
Identify the null hypothesis, alternative hypothesis, test statistic, P-value or critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim.
Find the probability that in a given winter month fewer than 35 cars will be rented. (use the normal distribution to approximate the binomal distribution).
Standard deviation of 5; the N(54, 5) distribution. What is the relative frequency of classical CDs with a playing time X between 49 and 69 minutes?
Is a sample of 25 papers large enough to provide a good estimate of the mean score of all 42,000 students on this exam problem? Justify your answer.
In a sample of 4 items, what is the probability that exactly 3 are acceptable? Assume the samples are drawn without replacement. (Round your answer to 4 decimal places.)
Can you think of an example where regression analysis can be used? How is regression analysis being used in a retail environment, or how should it be used?
Construct a 95% confidence interval for the mean amount of oil recovered from all wells in this area using t procedures - How does the t interval that you constructed compare with this interval? Should the t procedures be used with this data?
During the 2000 season, the home team won 138 of the 240 regular season National Football League games. Is this strong evidence of a home field advantage in professional football
the time to failure of a battery in hours of a personal handheld music device follows an exponential distribution. the
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