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In an automatic geolocation system, a dispatcher sends a message to six trucks in a fleet asking their locations. The waiting times for responses from the six trucks are iid exponential random variables, each with expected value 2 seconds.
(a) What is the probability that all six responses will arrive within 5 seconds?
(b) If the system has to locate all six vehicles within 3 seconds, it has to reduce the expected response time of each vehicle. What is the maximum expected response time that will produce a location time for all six vehicles of 3 seconds or less with probability of at least 0.9?
Commonwealth Edison wants to identify its heaviest users, which are those that are in the top 6% of electric consumption. How many kilowatt hours in January would qualify for the heavy user classification?
determine the area under the standard normal curve that lies between a z -0.83 and z 0.83 b z - 1.35 and z 0 c z
a high school math teacher gave her 30 students a math exam. in this exam the average scores for the high school
He surveys a sample of 40 students and finds that for the most recent semester their average cost was $430 with a standard deviation of $80. What is the test value for this hypothesis test?
Of 250 female users during the same period, 50% made at least two transactions while at the machine. At the 0.10 level, do males and females differ significantly in terms of making multiple transactions? Determine and interpret the p-value for th..
It is the number of independent variables that changes. Describe a regression relationship using multiple independent variables.
Using your workplace, present or prior, or an organization with which you are affiliated, identify a dependent variable and an independent variable of interest to you
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Suppose you found that in doing the hypothesis test, you were able to reject the null hypothesis. What is the most appropriate conclusion to draw?
calculate the price of a 5.2 percent coupon bond with 15 years left to maturity and a market interest rate of 9.0
A certain brand of apple juice is supposed to have 64 ounces of juice. Because the penalty for under-filling bottles is so severe, the target mean amount of juice is 64.05 ounces. However, the filling machine is not precise, and the exact amount of j..
water is pumped from a lake through an 8-in pipe at a rate of 10 ft3s. if viscous effects are negligible what is the
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