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son4ous [18]
3 years ago
7

2. PLZ JUST HELP BRO

Mathematics
1 answer:
Lorico [155]3 years ago
8 0
The answer is probably the first or second one. I made it easier for you
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Your manufacturing company sells metal nuts and bolts that come together in a package. The diameter of the bolts coming off the
Reil [10]

Answer:

The z score for bolt of diameter 18.12 mm is 1.20.

Step-by-step explanation:

Let <em>X</em> = diameter of bolts.

It is provided that the random variable <em>X</em> follows a Normal distribution with mean, <em>μ</em> = 18 mm and standard deviation, <em>σ</em> = 0.10 mm.

A <em>z</em>-score is a standardized score, a numerical, that defines how far a data value from the mean.

The distribution of <em>z</em>-scores is defined by the Standard Normal distribution.

Z\sim N(0, 1)

The formula to compute the <em>z</em>-score is:

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

The value of the diameter of a bolt is, <em>x</em> = 18.12 mm.

Compute the <em>z</em>-score for this value as follows:

z=\frac{x-\mu}{\sigma}=\frac{18.12-18}{0.10}=\frac{0.12}{0.10}=1.20

Thus, the z score for bolt of diameter 18.12 mm is 1.20.

5 0
3 years ago
Need help on this on also plz
harina [27]
What is this? may I ask? did you mean to attach a photo?
4 0
3 years ago
What is the value of this expression when x=-1 and Y = 2?<br> 4x3y2
3241004551 [841]
-48 plugging in everything and using PEMDAS it should be -48
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Simplify to create an equivalent expression 19−6(−k−2)
Nikolay [14]
<span>19 − 6( − k − 2) 

Distribute -6:
= 19 + 6k + 12

Combine like terms:
= 6k + 31

Answer: </span>6k + 31
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2 years ago
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Linda walked 3/4 of the length of the Tremont Trail. The trail was 3.5 miles long. How far did she walk?
den301095 [7]

Answer:

4.25 miles

Step-by-step explanation:

3 0
3 years ago
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