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Rats are trained to turn right at a T-intersection of a maze with probability 0.6. A total of 14 rats will be run through a maze. Assume that rats behave independently.
(a) How many of the 14 rates are expected to turn right at the first T-intersection?
Answer: (Carry 2 decimal digits.)
(b) What is the probability that exactly 10 rats will turn right at the first T-intersection?
Answer: (Carry 4 decimal digits.)
(c) What is the probability that all 14 rats will turn right at the first T-intersection?
Find a 99% confidence interval for the proportion of registered users with false phone numbers and explain what it indicates. Use language that a manager could easily understand.
Simulate arrival of cars at service station for one hour using different stream of random numbers from those used in (a), and calculate average time between arrivals.
Evaluate each of the functions below at x = 1, 2, 4, 8, and 16. Plot the graph of each function. Classify each as linear, quadratic, polynomial, exponential, or logarithmic, and explain the reasons for your classifications.
If possible, use a computer-based multiattribute decision program to do this problem.
A study of 200 computer service firms revealed these incomes after taxes: What is the probability that a particular firm selected has $1 million or more in income after taxes?
Formulate and solve an integer programming model for this problem to assist the company in determining which plants should remain open and which should be closed and the number of vehicles that should be shipped from each plan to each warehouse to..
c. Calculate the mean of the 100 estimates of b1' Does it appear that hi is an unbiased destination of ß1 despite the presence of positive autocorrelation?
Find the area under the normal distribution curve between z = 1.52 and z = 2.43.
To test the effectiveness of a new studying strategy, a teacher randomly divides a sample of 8 students into tow groups, with n = 4 in each group.
A random sample of 85 group leaders and supervisors revealed that they worked an average of 6.5 years before being promoted. The population standard deviation was 1.7 years. Using the 0.95 degree of confidence, what is the confidence interval for ..
A lease agreement between Earth Leasing Corporation and New Moon Company.
Construct a 99% confidence interval estimate for the population mean amount of paint included in a 1-gallon can. On the basis of these results, do you think that the manager has a right to complain to the manufacturer? Why?
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