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The fill volume of bottles of tea is normally distributed, with a mean of 1 liter and a standard deviation of 0fSliter. If you select a random sample of 25 bottles, what is the probability that the sample meanwill be 1. a. Below 0.9 liter? b. Between 1.0 and 1.2 liters?
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× ~ ( 1) 0.3 2 s ou) 0.3 0. 3 (- ) 드 0.0477572 ろ 0.3 = 0 499 56 58

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