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insens350 [35]
3 years ago
5

Find the z-score such as 88% of the area under the normal curve is to the left of the z-score

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
6 0
If you have a calculator with statistical functions, that's the way to go.

On my TI-83, I typed in  invNorm(0.88) and got the result z = 1.17.

88% of the area under the normal curve is to the left of z = 1.17.
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The units of the subway map at the right are in miles. Suppose the routes between stations are straight, find the distance you w
vova2212 [387]

Answer:

Distance between 2 stations= 8.94 miles

Step-by-step explanation:

The coordinates of Symphony Station is given by:

Symphony Station: (x₁ , y₁) : (1,2)

The coordinates of Elm station is given by:

Elm Station: (x₂ ,y₂) : (-3,-6)

We know that the distance formula can be used to find distance between these 2 points. Distance formula is given as

d= √((x₂ - x₁)² + (y₂ - y₁) ²)

Substitute values

d= √((-3 - 1)² + (-6 - 2) ²)

d= √((-4)²+(-8)²)

d= √(16+64)

d=√80

d= 8.94 miles

7 0
4 years ago
3. Solve each equation, and check your solution.
Alisiya [41]

1) 2m - 16 = 2m + 4

2m - 2m = 4 + 16

0 = 20 (no solution)

2) -4(r + 2) = 4(2 - 2r)

-(r + 2) = 2 - 2r

-r - 2 = 2 - 2r

-r + 2r = 2 + 2

r = 4

3) 12(5 + 2y) = 4y - (6 - 9y)

60 + 24y = 4y - 6 + 9y

60 + 24y = 13y - 6

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7 0
3 years ago
Two numbers grouped together like (7, 2) are called ______.
kogti [31]
It would an ordered pair
7 0
3 years ago
You took any loan of $9,015.20 to buy a car. The loan is to be paid back in 48 equal monthly payments how much is each payment r
pantera1 [17]
<h3>Answer: <u><em>187.82</em></u></h3>

Step-by-step explanation: Just divide and answer is <u><em>18.82</em></u>

5 0
4 years ago
Read 2 more answers
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MAXImum [283]

Answer:

Slope=2.2/5.5 or 0.4

Step-by-step explanation:

slope = (y2-y1)/(x2-x1)

Hence:

slope=(4.4-2.2)/(11-5.5)

slope=2.2/5.5=0.4

7 0
3 years ago
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