35 - In an exam attended by 1000 people, the average of the grades is 57 and the standard deviation is 6.2, showing a normal distribution. From this population, 56 samples of n=25 people were taken for the returned lottery. How many of these 56 samples averaged in the range of [57-59].

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35 - In an exam attended by 1000 people, the average of the grades is 57 and the standard deviation is 6.2, showing a normal distribution. From this population, 56 samples of n=25 people were taken for the returned lottery. How many of these 56 samples averaged in the range of [57-59].

a) 38



B) 25



C) 10



D) 45



E) 55

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