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Random number generation based on discrete distribution.
First American Bank is trying to determine whether it should install one or two drive-through teller windows. The following probability distributions for arrival intervals and service times have been developed from historical data:
Time Between Arival
Probability
1
0.2
2
0.6
3
0.1
4
Service Time (In Min)
0.4
5
6
Assume that in the two-server system, an arriving car will join the shorter queue. When the queues are of equal length, there is a 50-50 chance the driver will enter the queue for either window.
a. Simulate both the one-and two-teller systems. Compute the average queue length, waiting time, and percentage utilization for each system.(using excel)
b. Discuss your results in (a) and suggest the degree to which they could be used to make a decision about which system to employ.
People who answered incorrectly, 26 are men. The question was given to an equal number of men and women all with the same IQ. Find the probability that among 120 wrong answers, at least 82 made by men.
Estimate the true proportion of college students who believe in the possibilty of haunted places with 99% confidence.
A mean of 68 years and a standard deviation of 3.5 years. Find the age at which payments have ceased for approximately 86% of the plan participants.
This study investigates whether there are differences in the outcomes of three different treatments for anxiety
Tourism is one consideration for CoffeeTime's future, A survey of 1,233 visitors to mumbai last year revealed that 110 visited a small cafe during their visit.
CD Camera produces a new camera that it claims can take an average of more than 7 photographs per second. A test of 36 randomly selected cameras yielded the following sample values:
The amount of time a bank teller spends with each customer has a population mean = 3.1 minutes and population standard deviation = 0.4 minute.
Using classical methods discussed in class, try to estimate the probability of winning.
Complete the ANOVA summary table. If your instructor wants you to calculate the sums of squares,use the preceding data to do so.
Given a situation where a control chart with 3-sigma limits is being constructed to monitor the percentage of defective items produced by a process, if samples of 100 units each are taken from the process and the average percent defective found in..
Analyze the Regression and draw the scatter plot for results of the Hsp90 affinity and Her-2 degradation studies.
What is the probability that a cereal would either high calorie or high fiber? In other words, what is P(high calorie or high fiber)?
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