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Anestetic [448]
3 years ago
12

The probability that a random variable is greater than or equal to z standard deviations from the mean in a standard normal dist

ribution is p%. What can be said with certainty about the probability that the random variable is less than or equal to –z standard deviations from the mean?
Mathematics
2 answers:
Veseljchak [2.6K]3 years ago
4 0
<span>P(Z≥z)=p<span>% may help out... (:
</span></span>
vladimir2022 [97]3 years ago
3 0

Answer:

B: The probability is equal to p%.

Step-by-step explanation:

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Calculate the value of the exterior angle
aev [14]

What we know is that the sum of a triangle's internal angles are 180º, and a straight angle makes 180º.

first, we have to find the third internal angle(let's call it n) so that we can use it to find the exterior angle.

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simplify:

7x + 25 + n = 180

7x + n = 155

n = 155 - 7x

Now we can add it to the external angle to find x.

(155 - 7x) + (8x + 15) = 180

simplify:

170 + 8x - 7x = 180

170 + x = 180

x = 10

Now we can substitute it to the external angle.

8 x 10 + 15 = 95

the exterior angle is 95º.

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Erin has a $450 gift card from a clothing store. She has spent 28 so far. She wants to buy barrettes for 2.95 each. How many bar
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Answer:

143

Step-by-step explanation:

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Written explanation:

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