Mathematics, 09.12.2021 15:30 bella51032
The life of a biomedical device is being studied. Let X be the life (in hours) of this device. A random sample of 110 devices is selected. The population mean of X is known to be 100 hours and the population standard deviation of X is known to be 12 hours. What is the probability the sample mean of the devices selected is equal to 100 hours?
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The life of a biomedical device is being studied. Let X be the life (in hours) of this device. A ran...
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