Mathematics, 05.05.2020 22:39, nina1390
The speed of pickup of ride sharing services like Uber and Lyft seems to have surpassed that of ambulance services. The mean response time of ambulances across the United States is 15.3 minutes with a standard deviation of 12.8 minutes. For ride sharing services, the mean pick-up time across the United States is 8 minutes with a standard deviation of 5.2 minutes. Based on these estimates, which of the following gives the standard deviation of the sampling distribution of the difference in the sample means for samples of 30 ambulance rides and 40 ride sharing rides (Ambulance – Ride Sharing)?
Answers: 3
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In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.
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Benefit(s) from large economies of scale, in which the costs of goods decrease as output increases. natural monopolles perfect competition
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The speed of pickup of ride sharing services like Uber and Lyft seems to have surpassed that of ambu...
Mathematics, 22.04.2020 22:27
Mathematics, 22.04.2020 22:27