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telo118 [61]
2 years ago
14

Helpppp I cannot figure this problem out ;-;

Mathematics
1 answer:
Yuliya22 [10]2 years ago
6 0
A. -12, -7, -2, 3, 8
B. 3, 2, 1, 0, -1
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PLEASE help
astraxan [27]

Answer:

The percentage of people should be seen by the doctor between 13 and

17 minutes is 68% ⇒ 2nd term

Step-by-step explanation:

* Lets explain how to solve the problem

- Wait times at a doctor's office are typically 15 minutes, with a standard

 deviation of 2 minutes

- We want to find the  percentage of people should be seen by the

 doctor between 13 and 17 minutes

* To find the percentage we will find z-score

∵ The rule the z-score is z = (x - μ)/σ , where

# x is the score

# μ is the mean

# σ is the standard deviation

∵ The mean is 15 minutes and standard deviation is 2 minutes

∴ μ = 15 , σ = 2

∵ The people should be seen by the doctor between 13 and

   17 minutes

∵ x = 13 and 17

∴ z = \frac{13-15}{2}=\frac{-2}{2}=-1

∴ z = \frac{17-15}{2}=\frac{2}{2}=1

- Lets use the standard normal distribution table

∵ P(z > -1) = 0.15866

∵ P(z < 1) = 0.84134

∴ P(-1 < z < 1) = 0.84134 - 0.15866 = 0.68268 ≅ 0.68

∵ P(13 < x < 17) = P(-1 < z < 1)

∴ P(13 < x < 17) = 0.68 × 100% = 68%

* The percentage of people should be seen by the doctor between

  13 and 17 minutes is 68%

6 0
3 years ago
If a basketball player made 72 out of 85 free throws attempts how many could she make in 200 attempts
DedPeter [7]

Answer:

169

Step-by-step explanation:

Use a proportion:

72/85=x/200

Solve for x

(72)(200)=85x

x=(72)(200)/85

x=169.41≈ 169

She can make 169 of 200 free throws.

6 0
2 years ago
Find the midpoint of the line segment joining the points ​R(-3​,2​) and ​S(4​,3​).
Ratling [72]

x = -3 + 4 / 2

x = 1/2

y = 2 + 3 / 2

y = 5/2

( 1/2 , 5/2 )

Hope this helps! ;)

8 0
3 years ago
Read 2 more answers
The painting shown at the right has and area of 240 in² what is the value of x?
Nataliya [291]

Answer:

The answer is 60

Step-by-step explanation:

If you take a calculator all you have to do is divide 240 by 4 and the and the answer will be 60 please mark me at halve star thank you!

4 0
2 years ago
Read 2 more answers
La organización mundial de la salud dispuso que el consumo máximo de azúcar por día debería de ser de 0.0 o 25 kg si una persona
elena-s [515]

Answer:

heieirh hwgsge isjrbrgy eiriusbr iwirurh Kluber.....

3 0
2 years ago
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