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At a small post office in the Los Angeles, patrons wait in line for the single service window. An average 12 patroons per hur randomly get into the line. Post office estimates a cost of $0.50 for each minute a patron waits in line due to possibly losing the customer in the fututre. It also estimates a cost of $30 per hr to keep the window open due to fixed costs. Post office models the winodw's service times as unifomrly disributed between 1 and 7 minutes. Compute the total expected hourly cost of this post office window.
Each student in an experiment was told to look at 100 cars and count the number of people wearing the seat belts. The mean score for the class was found to be 44, and standard deviation =7
the minneapolis heart institute foundation conducted a study to determine the benefit of follow-up care for patients
It is reasonable to model their weights as independent random variables, find the probability that 100 packages will have a total weight exceeding 1700 lb.
ambulance response time is measured as the time in minutes between the initial call to emergency medical services ems
What conclusions can you draw about the nature of the relationship between anxiety and exam performance?
What sample size would be necessary to estimate the true weight with an error of +/- 0.03 grams with 90 percent confidence?
2 prizes of $1250, and 1 prize of 3000. Assume that 22,000 lottery tickets are issues and sold for $1. What is the lottery's expected profit per ticket?
by studying the grade distributions in calculus over several years it was determined that the probability of a student
MATH1550H: Assignment: Question: A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..
The standard deviation of all possible x values is called the?
The management of discount furniture, a chain of discount furniture stores in the northeast, designed an incentive plan for salespeople. To evaluate this innovative plan, 12 Salespeople were selected at random
x is a normally distributed random variable with a mean of 5.00. if the probability thatxis less than 6.32 is 0.67 as
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