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gladu [14]
3 years ago
10

The answer to the problem

Mathematics
2 answers:
GenaCL600 [577]3 years ago
7 0

Answer:

580

Step-by-step explanation:

ser-zykov [4K]3 years ago
4 0

Answer:

580

Step-by-step explanation:

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CAN SOMEONE TELL ME IF I CLICKED THE RIGHT AWNSER PLEASE
vagabundo [1.1K]

Answer:

yes your absolutely right

Step-by-step explanation:

you just are

8 0
2 years ago
The national average sat score (for verbal and math) is 1028. if we assume a normal distribution with standard deviation 92, wha
elena55 [62]

Let X be the national sat score. X follows normal distribution with mean μ =1028, standard deviation σ = 92

The 90th percentile score is nothing but the x value for which area below x is 90%.

To find 90th percentile we will find find z score such that probability below z is 0.9

P(Z <z) = 0.9

Using excel function to find z score corresponding to probability 0.9 is

z = NORM.S.INV(0.9) = 1.28

z =1.28

Now convert z score into x value using the formula

x = z *σ + μ

x = 1.28 * 92 + 1028

x = 1145.76

The 90th percentile score value is 1145.76

The probability that randomly selected score exceeds 1200 is

P(X > 1200)

Z score corresponding to x=1200 is

z = \frac{x - mean}{standard deviation}

z = \frac{1200-1028}{92}

z = 1.8695 ~ 1.87

P(Z > 1.87 ) = 1 - P(Z < 1.87)

Using z-score table to find probability z < 1.87

P(Z < 1.87) = 0.9693

P(Z > 1.87) = 1 - 0.9693

P(Z > 1.87) = 0.0307

The probability that a randomly selected score exceeds 1200 is 0.0307

5 0
3 years ago
Find the product of<br>the sum of<br>3/5 and 1%<br>and​
dybincka [34]

Answer:

3/500

Step-by-step explanation:

3/5 x 1%

=> 3/5 x 1/100

=> 3/500

Hope it helps you

8 0
3 years ago
Will give branlist please answer this quickly.
dmitriy555 [2]

Answer:

I cant see good

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What is JK? please explain/show your work on how you got your answer​
Travka [436]

Answer:

  • JK = 20 m

Step-by-step explanation:

  • <em>A line segment that connects two midpoints of the sides of a triangle is called a midsegment.</em>
  • <em>A triangle midsegment is parallel to the third side of the triangle and is half of the length of the third side.</em>

Point J is midpoint of side HI as HJ = JI

Point K is midpoint of side GI as GK = KI

JK is midsegment as connects the midpoints of the sides

JK = 1/2HG as per property of midsegment

  • 6x - 4 = 10x/2
  • 6x - 4 = 5x
  • 6x - 5x = 4
  • x = 4

JK = 6x - 4 = 6*4 - 4 = 24 - 4 = 20 m

6 0
3 years ago
Read 2 more answers
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