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raketka [301]
2 years ago
8

A large data sample of heights of US women is normally distributed with a mean height of inches and a standard deviation of inch

es.
What is the approximate probability that a randomly selected person in this sample is shorter than inches?

A) 0.003
B) 0.025
C) 0.05
D) 0.16
E) 0.32
Mathematics
1 answer:
Mrac [35]2 years ago
4 0
Answer is: It’s c 0.05
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Nezavi [6.7K]

Answer:

I don't see any tables sorry

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How to slove this problem?
Feliz [49]
So, since the polygons are similar, they will share a scale factor. 

The dilation is a reduction.

SF= preimage/image

SF=48/40

SF= 1.2

To find the value of x, multiply 20 by 1.2, so:

20(1.2)=24

Thus, x = 24

Now, to check if the sides are proportional (this will determine if the polygons are, in fact, similar.)

24/20=1.2
48/40=1.2

BTW, the missing side measure for the image is 40 since 48 is its corresponding side, and 48/1.2 (SF) is 40.

Hence, we have 48/40= 1.2

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3 0
4 years ago
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Perform the indicated operation. Be sure the answer is reduced.
Morgarella [4.7K]
The answer is: k^{2} /2&#10;
 The explanation is shown below:
 1. You have the following expression given in the exercise above:
 ( 4k^{2}) /(2k+3)(2 k^{2} -5k-12)/(8k-32)&#10;
 2. By applying the distributive property, you obtain:
 (8k^{4}-20k^{3}-48k)/(16k^{2} -40k-96)
 3. Now, you must factor k^{2} in the numerator and 2&#10; in the denominator:
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8 0
3 years ago
Somebody help me.......
Artemon [7]
In form y=mx+b
m=slope
b=y intercept

allso
in form ax+by=c
slope=-a/b
y intercept=c/b


see each one

A.
-2x+3y=-15
slope=-(-2)/3=2/3
yint=-15/3=-5
correct


B. slope=2/3
yint=-5
correct

C. divide both sides by 6 to get to slope intercept form
y=4/5x-5
y=2/3x-5
correct


D. distribute
y+3=2/3x-2
minus 3
y=2/3x-5
correct

all of them are correct
4 0
3 years ago
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Please help with the steps​
WARRIOR [948]

Answer:

2821.51

73425.64

28124.24

4124.24

Step-by-step explanation:

Effective rate: .058/2 = .029

This question is kind of ambigous and I'll make the assumption that there is no payment at time 0

175000=x\frac{(1+.029)^{2*18}-1}{.029}\\x=2821.511

interested earned:

175000-2821.51*36= 73425.64

2.)

Same assumption as question 1 (there is no payment at time 0)

effective rate: .063/12= .00525

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Interest earned: 28124-400*60=4124.24

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