Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Business Statistics and Research Methods

A population has a mean of 200 and a standard deviation of 50. Suppose a simple random sample of size 100 is selected then the probability that the sample mean will be ± 5 of the population mean is _______.

1

0.7523

2

0.6928

3

0.9544

4

0.6826

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