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Pani-rosa [81]
3 years ago
12

4.4 ton rounded to another ton

Mathematics
2 answers:
gayaneshka [121]3 years ago
8 0
4 tons or 5 tons im sure its that
True [87]3 years ago
8 0
4 tons I believe........
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The ages of the employees at Solar Systems, Inc. is normally distributed with a mean of 32.7 years and a standard deviation of 1
svetoff [14.1K]

Answer:

6.7%  of employees at Solar Systems, Inc. are younger than 30 years old

Step-by-step explanation:

The mean of  ages of the employees at Solar Systems is 32.7 years

Mean = \mu = 32.7

Standard deviation =\sigma = 1.8 years

We are supposed to find What percentage of employees at Solar Systems, Inc. are younger than 30 years old i.e.P(x<30)

So,Z=\frac{x-\mu}{\sigma}

Z=\frac{30-32.7}{1.8}

Z=-1.5

Refer the z table for p value

So,p value = 0.0668

So P(x<30)=0.0668= 6.68% = 6.7%

So, 6.7%  of employees at Solar Systems, Inc. are younger than 30 years old

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2 years ago
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Here is your answer

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n a study to investigate whether vitamin C will prevent colds, 400 subjects are assigned at random to one of two groups. The exp
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Answer:

Step-by-step explanation:

The aim of this question is to see if we can infer and conclude that vitamin C has a good impact in preventing colds based on the evidence provided.

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D! I’ve taken this

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