Mathematics: Apackage has a mean mass of 340 g and a standard deviation of 1.5 g. assuming that the masses are normally distributed, find the percent of packages with a mass below 336.7 g

Apackage has a mean mass of 340 g and a standard deviation

Ответ:

user1234573

13.01.2022

The z-score for a weight of 336.7g is found as follows;
$z=\frac{336.7-340}{1.5}=-2.2$
The cumulative probability for a z-score of -2.2 can be found from a normal distribution table:
The cumulative probability for a z-score of -2.2 is 0.0139.
Therefore the answer is 1.39%.

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Ответ:

2002boo13

12.03.2020

Mathematics

Is the question what is the probability that you draw a red chip? If it is, the answer is 10/50, which can be simplified to 1/5, 0.2 or 20%.

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Apackage has a mean mass of 340 g and a standard deviation of 1.5 g. assuming that the masses are normally distributed, find the percent of packages with a mass below 336.7 g

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