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2 years ago

6

Using the same coin, flip it a new twenty times and record your results. What is the experimental probability of flipping a head

s?

1 answer:

babunello [35]2 years ago

3 0

Answer:

50%

Step-by-step explanation:

No matter how many times you flip a coin, there is always a 50% probability that you will flip heads because there are only two outcomes.

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2 years ago

Which of the following expressions has the greatest value?

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3 years ago

Read 2 more answers

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joja [24]

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2 years ago

The weights of college football players are normally distributed with a mean of 200 pounds and a standard deviation of 50 pounds

belka [17]

Answer:

$P(170$

And we can find this probability with this difference:

$P(-0.6$

Step-by-step explanation:

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

$X \sim N(200,50)$

Where $\mu=200$ and $\sigma=50$

We want to find the following probability:

$P(170$

And we can use the z score formula given by:

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

And using this formula we got:

$P(170$

And we can find this probability with this difference:

$P(-0.6$

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3 years ago