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Nataliya [291]
3 years ago
6

1 pts

Mathematics
1 answer:
Greeley [361]3 years ago
6 0

Answer:

P(X

And we can find this probability using the normal standard distribution or excel and we got:

P(z

And if we convert this into % we got 84% so then the best solution would be:

84%

Step-by-step explanation:

Let X the random variable that represent the size of gasoline tanks of a population, and for this case we know the distribution for X is given by:

X \sim N(24.8,6.2)  

Where \mu=24.8 and \sigma=6.2

We are interested on this probability

P(X

And we can use the z score formula given by:

z=\frac{x-\mu}{\sigma}

Using the last formula we got:

P(X

And we can find this probability using the normal standard distribution or excel and we got:

P(z

And if we convert this into % we got 84% so then the best solution would be:

84%

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so the answer will be 7 days

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