Mathematics, 16.11.2020 23:40, creepycrepes
A recent study was conducted to investigate the duration of time required to complete a certain manual
dexterity task. The reported mean was 10.2 seconds with a standard deviation of 16.0 seconds. Suppose the
reported values are the true mean and standard deviation for the population of subjects
in the study. If a
random sample of 144 subjects is selected from the population, what is the approximate probability that the
mean of the sample will be between 8.9 and 11.5 seconds?
On/
Answers: 2
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