Mathematics, 05.05.2020 06:09, israel8471
The population mean waiting time to check out of a supermarket has been 4 minutes. Recently, in an effort to reduce the waiting time, the supermarket has experimented with a system in which infrared cameras use body heat and in-store software to determine how many lanes should be opened. A sample of 100 customers was selected, and their mean waiting time to check out was 3.10 minutes, with a sample standard deviation of 2.5 minutes
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answered: Guest
kbmflmklbhml; bmlzb; bdhzz
step-by-step explanation:
answered: Guest
The answer is 76° i believe
answered: Guest
your question is incomplete, write all the numbers in the sequence that it tells you.
step-by-step explanation:
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The population mean waiting time to check out of a supermarket has been 4 minutes. Recently, in an e...
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