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givi [52]
3 years ago
7

Can someone Please help me on this easy math problem

Mathematics
1 answer:
irina1246 [14]3 years ago
8 0

Answer:

the answer is x4/19P because u add the top of the numerator and times the denominator

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Suppose the random variables X, Y, and Z have the following joint probability distribution. x y z f ( x , y , z ) 1 1 1 0.05 1 1
Airida [17]

Answer:

Determine the conditional probability distribution of X given that Y = 1 and Z = 2. Round your answers to two decimal places (e.g. 98.76).

answer:

Given that Y = 1 :  2/5

Given that Z = 2 : 3/5

Step-by-step explanation:

The conditional probability distribution of X     F x | yz^( x )

Given that Y = 1

F x | yz . ( x | yz )  = 2/5

Given that z = 2

= 3/5

attached below is the detailed solution

3 0
3 years ago
Determine whether the forces in the pair are pulling at right angles to each other.
snow_tiger [21]
Given:
right triangle
a = 2.9
c = 4.2

Pythagorean Theorem: a² + b² = c²

missing value of b.

b² = c² - a²
b² = (4.2)² - (2.9)²
b² = 17.64 - 8.41
b² = 9.23
b = √9.23
b = 3.03 or 3.0 

The value of b is 3.0
4 0
3 years ago
I know it seems that alot of people like on here so people do their work but I really need help!!! I have a set of problems that
marshall27 [118]

Answer:

No Problem, I know That I personally can't stand it when people just give me the number. So another way to think of this problem is "How many 2/3 are in 3 cups." So try drawing 3 rectangles to represent 3 cups and then draw two lines inside those rectangles so that there are 3 rectangles inside each one and then shade in two of the smaller rectangles in a way that you can tell them all apart preferably different colors and then just count them.

Step-by-step explanation:

Hope this is enough to help you understand it, if not then feel free to ask for more info in the comments. :)

4 0
3 years ago
A dive ring on the bottom of the pool is 10 feet below the surface of the water. Sabine dives down and brings the ring back to t
MatroZZZ [7]

Answer:

0

Step-by-step explanation:

Given

Ring's\ Position = 10\ feet

Required

Determine its new position

Because the ring was initially below the surface of the pool;

Its initial position is

Position = -10\ feet

Taking it to the surface of the pool;

It means, the ring travels a distance of:

Distance = +10\ feet

It's final position is the summation of its initial position and distance travelled;

Final\ Position = Initial\ Position + Distance\ Traveled

Final\ Position = -10\ feet + 10\ feet

Final\ Position = 0\ feet

<em>Hence, 0 represents its new position with respect to the surface of the water</em>

5 0
4 years ago
35 = -7a + 14<br> Solve for a
Zinaida [17]

Answer:

a = -3

Step-by-step explanation:

35 = -7a + 14

-14 + 35 = -7a + 14 - 14

21 = -7a

21/-7 = -7a/-7

-3 = a

a = -3

7 0
3 years ago
Read 2 more answers
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