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Random number generation using discrete probability distribution.
The time between arrivals of cars at the Petroco Service Station is defined by the following probability distribution:
Time between intervals(min)
Probability
1
0.15
2
0.30
3
0.40
4
1.00
Using Excel:
1. Simulate the arrival of cars at the service station for 20 arrivals and compute the average time between stations.
2. Simulate the arrival of the cars at the service station for 1 hour, using a different stream of random numbers from those used in (a) and compute the average time between arrivals.
3. Compare the results obtained in (a) and (b).
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Using the appropriate statistical procedure on the SPSS, test the between group means for a significant difference.
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Determine the probability that computer will fail within 12 months?
What percentage of the averages or medians of the sample will be greater than 140 seconds?
What reasons for complaints do you think the hotel should focus on if it wants to reduce the number of complaints? Describe.
Determine a 95 percent confidence interval for the population mean.
College Students' Seating Choices and Motivation to Achieve.This activity is a revision of an activity found in Real Data: A Statistics Workbook Based on Empirical Data by Z. C Holcomb (1997). Published by Pyrczak Publishing.
Give an ending for the below statement.Last week Tom had exams in Statistics and in English. He scored 10 points above the mean on both exams. From this information, you can conclude.
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