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vampirchik [111]
3 years ago
10

HELP PLEASE!

Mathematics
2 answers:
masha68 [24]3 years ago
8 0

Answer:

5.0-2.5=2.5

Step-by-step explanation:

Bingel [31]3 years ago
4 0

Answer:

2.50 - 5.0= -2.50

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Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round y
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Answer:

0.8762 or 87.62%

Step-by-step explanation:

Since our mean is μ=14.3 and our standard deviation is σ=3.7.  If we're trying to figure out what percentage is P(10 ≤ x ≤ 26) equal to we must first calculate our z values as such:

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

Our x value ranges from 10 to 26 therefore let x=10 and we obtain:

z=\frac{10-14.3}{3.7} =-1.16\\

If we look at our z-table we find that the probability associated with a z value of -1.16 is 0.1230 meaning 12.30%.

Now let's calculate the z value when x = 26 and so:

z=\frac{26-14.3}{3.7}=3.16\\

Similarly, we use the z-table again and find that the probability associated with a z value of 3.16 is 0.9992 meaning 99.92%.

Now we want to find the probability in between 10 and 26 so we will now subtract the upper limit minus the lower limit in P(10 ≤ x ≤ 26) therefore:

0.9992 - 0.1230 = 0.8762

or 87.62%

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3 years ago
Solve for x <br> A. 10<br> B. -8<br> C. 6<br> D. 3
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Answer:

c (6)

Step-by-step explanation:

by the corresponding angles postulate, the angle above 20x-5 will be 65°.

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x = 6

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