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VikaD [51]
3 years ago
8

(7)(-6)......simplify please

Mathematics
1 answer:
lapo4ka [179]3 years ago
5 0
It’s just 7 times negative 6 so the answer is negative 42
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Use Random number generator and simulate 1000 long columns, for each of the three cases. Example: for the Car type 1, use Number
sertanlavr [38]

Answer:

Step-by-step explanation:

The question is incomplete since they do not give information about the Car type 3.

We will do it in a generic way, we will say that the Car type 3 has a mean of M and a standard deviation SD.

We would be:

P (CT3 <550) = P [z <(550 - X) / SD]

Now if we give it values, for example that X = 600 and SD = 120

It would remain:

P (CT3 <550) = P [z <(550 - 600) / 120]

P (CT3 <550) = P [z <-0.42]

We look for this value in the normal distribution table (attached) and it shows us that the probability is approximately 0.3372, that is, 33.72%

What you need to do is replace the X and SD values of theCar type 3 in the equation above how I just did and you will get the result.

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2 years ago
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Step-by-step explanation:


8 0
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