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OLga [1]
3 years ago
8

g Two balls are dropped in such a way that each ball is equally likely to fall into any one of four holes. Both balls may fall i

nto the same hole. Let X denote the number of unoccupied holes at the end of the experiment. What is Var X  ?
Mathematics
1 answer:
faust18 [17]3 years ago
5 0

Answer:

0.5

Step-by-step explanation:

X=[3,2]

mean= 5/2

(X-μ)²= [0.25, 0.25]

Var X =Σ (X-μ)²/(n-1)

Var X = (0.25+0.25)/(2-1)

Var X = 0.5

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Y=-2x + 2 make a table of values​
butalik [34]

Answer:

Step-by-step explanation:

The negative sign in y = -2x + 2 tells us immediately that the y intercept of the graph of this function is (0, 2).  If we start at (0, 2) and increase x by multiples of 1, y decreases by 2 in each case (the slope of this line is -2).  Thus, we begin a table as follows:

 x   y = -2x + 2

 0   2

 1    -2(1) + 2 = 0

 2   -2(2) + 2 = -4 + 2 = -2

and so on:

 x   y = -2x + 2

 0   2

 1    0

 2  -2

 3   -4

 4    -6

8 0
3 years ago
Can someone help me x-7=2x-6
Effectus [21]
X=-1
x-7=2x-6
subtract x from both sides.
-7=x-6
add 6 on both sides.

7 0
3 years ago
Read 2 more answers
Ronnie charged his customers a flat fee of $25 to fix computers computers.Then he charge $30 for each hour that he spent fixing
stepan [7]

Answer:$200

Step-by-step explanation:

7 0
3 years ago
Using the distributive property and combining like terms to simplify the expression.
soldi70 [24.7K]

Answer:

-35

Step-by-step explanation:

-5 (x + 2) + 5 (x -5)

Expand:

= -5x - 10 + 5 (x - 5)

Expand once more:

= -5x - 10 + 5x - 25

Simplify:

-35

6 0
3 years ago
Who knows the Babylonian method, and can help me!<br> **see picture below**
PSYCHO15rus [73]
This is an iteration method for finding the square root.

The ? is also your first initial guess.

? = 10.5

The iteration formula for the square root is actually.

√n =      (x + n/x)÷2.

Where x is your guess.
3 0
3 years ago
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