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Tom [10]
3 years ago
5

PLEASE HELP!!!! The problem is in the photo below.

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
3 0
I believe the answer is 1.343 x 10^5
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Step-by-step explanation:

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Help me solve for z, step by step if you can
zheka24 [161]

Answer:

z=6

Step-by-step explanation:

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3 years ago
The operating costs for each machine for one day have an unknown distribution with mean 1610 and standard deviation 136 dollars.
BabaBlast [244]

Answer:

20.27

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, the sample means with size n of at least 30 can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}

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So the correct answer is:

20.27

3 0
3 years ago
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