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Mathematics, 25.11.2021 07:00, kaliemn7oyqxuy
A random sample of size 81 is taken from an infinite population with a mean of 50 and a standard deviation of 9. Find an approximate probability that the sample mean is within 48 and 51 (round off to second decimal place).
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A random sample of size 81 is taken from an infinite population with a mean of 50 and a standard dev...
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