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stellarik [79]
3 years ago
8

A die is rolled 30 timeswhat is the probability of getting x even number

Mathematics
1 answer:
Mama L [17]3 years ago
6 0
Probability of getting an even number (2,4,6) out of (1,2,3,4,5,6) =3/6=1/2

The probability of getting x even number :
(using the binomial probability)


30Cx (1/2)^x . (1/2)^(30-x)
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Would someone please help me with this pre final practice?
timofeeve [1]

Answer:

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4 0
3 years ago
there are 6 girls and 7 boys in a class. a team of 10 players is to be selected from each class. how many different combinations
galben [10]

Answer:

Answer: 286

Step-by-step explanation:

6+7=13

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Answer: 286

5 0
3 years ago
How many solutions does the following equation have? -1/3x2=5/6+1/3y2 5y2=25/2-5x2
Phantasy [73]

The system of equations have 2 solutions

<h3>How to determine the number of solutions?</h3>

The system of equations is given as:

-1/3x² = 5/6 + 1/3y²

5y² = 25/2 - 5x²

Next, we plot the graph of the system of equations.

From the attached graph, the equations intersect at two points

Hence, the system of equations have 2 solutions

Read more about system of equations at:

brainly.com/question/12895249

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6 0
2 years ago
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algol13
Pretty sure the answer is 288
7 0
3 years ago
Multiply
Paraphin [41]

Answer:

B. 20x^4-39x^3+26x^2-6x

Step-by-step explanation:

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20x^4 -39x^3 + 26x^2  - 6x

5 0
2 years ago
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