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Shtirlitz [24]
4 years ago
15

According to the Venn diagram, if P(A)=0.3 and P(B)= 0.35, what is P(A B)? PLEASE HELP MEEE!!​

Mathematics
1 answer:
STALIN [3.7K]4 years ago
3 0

Answer:

A. P(A\cup B)=0.55

Step-by-step explanation:

From the Venn diagram,

P(A) = 0.3, P(B) = 0.35, and P(A\cap B) = 0.10

Therefore, from the rule of Addition of probabilities,

P(A\cup B )=P(A)+P(B)-P(A\cap B)\\P(A\cup B )=0.3+0.35-0.10\\P(A\cup B )=0.55

Therefore, option A is correct.

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Question
deff fn [24]

Answer:

When this runs you would get for each trial:

Child 1: X + (X or Y)

Child 2: X + (X or Y)

Child 3: X + (X or Y)

Child 4: X + (X or Y)

Child 5: X + (X or Y)

Step-by-step explanation:

Well in this scenario we would be looking to see if the gender of the 5 children is going to be a girl or boy. Depending on the situation there is a 50/50 chance you get a XY or XX combinations which determine the gender.

So if the couple plans to have 5 children we would run a simulation that would randomly generate either a X or Y and add it to an X for 5 children. This would be done 120 times to get the desired amount of trials.

Each (X or Y) would be a 50/50 chance probability meaning 1/2 chance to get X and another 1/2 to get Y.

6 0
2 years ago
1. Refer to the equation 2x − 6y = 12. (a) Create a table of values for at least 4 points. Show your work.
Sergio039 [100]
2x - 6y = 12

so we pick any number for x and then solve for y

lets say x = 0
2(0) - 6y = 12
-6y = 12
y = -12/6
y = -2....so when x = 0, y = -2....(0,-2) <== one point

lets say x = 1
2(1) - 6x = 12
2 - 6x = 12
-6x = 12 - 2
-6x = 10
x = -10/6
x = - 5/3...so when x = 1, y = -5/3....(1,-5/3) <== another point

Lets say x = 2
2(2) - 6y = 12
4 - 6y = 12
-6y = 12 - 4
-6y = 8
y = -8/6
y = - 4/3....so when x = 2, y = -4/3.....(2,-4/3) <== another point

lets say x = 3
2(3) - 6y = 12
6 - 6y = 12
-6y = 12 - 6
-6y = 6
y = -6/6
y = -1....so when x = 3, y = -1.....(3,-1) <== another point

now there is 4 points.
4 0
3 years ago
The function f(x) = 2.5^x can be used to represent the curve through the points (1, 10), (2, 50), and (3, 250). What is the
sesenic [268]

Answer:

2/pi

Step-by-step explanation:

I took the test and I got it correct

5 0
4 years ago
Can anyone figure this out
kipiarov [429]
To figure this out simply, find where the first number is on the x axis and then move over to the y axis, the Horizontal line is the x and the vertical is the y.

The systolic pressure is 130 mmHg
3 0
3 years ago
What is the equation of this line in slope intercept form: -8x-2y=10?
frez [133]
Since you are writing this in slope-intercept equation you will want to isolate the y. Therefore move the -8x over making it into -2y=8x+10. Then simply divide by the -2. And your equation will be y=-4x-5.
3 0
3 years ago
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