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Tamiku [17]
3 years ago
15

Pleas yall help me out pleas can yall ill give brainiest

Mathematics
1 answer:
Dominik [7]3 years ago
7 0

Answer: c please tell me if im wrong

Step-by-step explanation:

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An athletics coach states that the distribution of player run times (in seconds) for a 100-meter dash is normally distributed wi
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Answer:

P(X

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

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And the percentage faster than 13.28 seconds would be 91.9%

Step-by-step explanation:

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

X \sim N(13,0.2)  

Where \mu=13 and \sigma=0.2

We want to find this probability:

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And we can use the z score formula given by:

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

Using this formula we have:

P(X

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

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And the percentage faster than 13.28 seconds would be 91.9%

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A bathtub empties at 15 gallons per minute. What is this in liters per second?
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Kamala spent a total of $4.32 to buy
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