X 1 2 3 4
p(x) 0.40 0.20 0.15 ?
If the items are only 4. The total of the probability must be 1 or 100%
1 - 0.40 - 0.20 - 0.15 = 0.25
The probability of 4 is 0.25.
Answer:

second

Step-by-step explanation:
We know that dividing by 0 is impossible.
Therefore, the denominator of the expression must be different from 0.



Answer:
253 feet
Explanation:
Subtract 125ft. from 378ft.
Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
- Slope Formula:

Step-by-step explanation:
<u>Step 1: Define</u>
Point (-1, 10)
Point (5, 2)
<u>Step 2: Find slope </u><em><u>m</u></em>
Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>
- Substitute [SF]:

- Subtract/Add:

- Simplify:

Mode because the data are not numerical.
The median cannot be found because you can not place the colors from lowest to highest in value. There's no way to determine order.
The mean can not be used because you can't add up the colors and divide by the total colors.