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MatroZZZ [7]
3 years ago
9

In a normal distribution, what percentage of the data falls within 3 standard deviations of the mean?

Mathematics
1 answer:
Stells [14]3 years ago
4 0
99% using the 68- 95- 99 rule
For these kind of problems, it is always a good idea to just draw out a normal distribution curve.
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Which of the following values are solutions to the inequality 3 -
forsale [732]

Answer:

None

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

2x < -10

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Divide 2 on both sides:                    x < -5

Here we see that any value <em>x</em> smaller than -5 would work as a solution.

<u>Step 3: Identify</u>

<em>Answer choices.</em>

I. -2

II. 2

III. 10

We see that none of these numbers are less than -5. Therefore, non of the answer choices are correct.

5 0
2 years ago
NEED HELP!!!!<br><br> Please
AnnZ [28]

Answer:

# 1,3 and 6

Step-by-step explanation:

4 0
2 years ago
Solve if x is 3.<br> 91+x raise to power2
Triss [41]
X=3
91 + x^2
91 + 3^2
91 + 9
91 + 9 = 100
6 0
3 years ago
Read 2 more answers
There is a mistake on the graph below. what is it?
irakobra [83]

Answer:

c) the line should not be solid. the line should be dashed

4 0
3 years ago
Read 2 more answers
The answer is p = -2/3 and q= -2
igomit [66]

y=\dfrac{p}{q+x}\\\\\dfrac{1}{y}=\dfrac{1}{\frac{p}{q+x}}=\dfrac{q+x}{p}

We have x and y intercept:

(2, 0) and (0, 3).

Substitute the coordinates of points to the equation:

(2,\ 0)\\\\0=\dfrac{q+2}{p}\to q+2=0\to q=-2\\\\(0,\ 3)\\3=\dfrac{q+0}{p}\to3p=q\to3p=-2\to p=-\dfrac{2}{3}

6 0
3 years ago
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