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in a srs of 80 teenagers, the average number of text messages received per d...
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Mathematics, 07.10.2019 09:30 nicky123415
Can somebody me
in a srs of 80 teenagers, the average number of text messages received per day is found to 50. if the standard deviation of number of texts received is known to be σ = 12, find the 95% confidence interval for the number of text messages received.
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