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Sonja [21]
2 years ago
6

Select the correct answer. if you roll a fair die twice, what is the probability of getting an even number at least once?

Mathematics
1 answer:
Nata [24]2 years ago
3 0

<u>The </u><u>probability</u><u> of getting an even number at least once will be </u><u>1/4.</u>

What is probability called?

The ratio of the number of outcomes in an exhaustive set of equally likely outcomes that produce a given event to the total number of possible outcomes.

It is given that a fair dice is rolled twice. The probability of getting an even number at least once will be calculated as:-

Number of favorable outcomes = { 2 , 4 , 6 } = 3

It is rolled two times total favorable outcomes = 3 x 3 = 9

Number of samples = 6 x 6 = 36

The probability will be calculated as:-

Probability = Number of favorable outcomes / Number of sample

Probability = 9 / 36

Probability =  1 / 4

Therefore, the probability of getting an even number at least once will be 1/4.

Learn more about Probability

brainly.com/question/28045837

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A high school football team played nine games. It won as many as it lost. How many games did the team lose
stiks02 [169]

Answer:

4.5

Step-by-step explanation:

They must have tied one game since it is a odd number.

8 0
3 years ago
A machine makes errors in a certain operation with probability p. There are two types of errors. The fraction of errors that are
Crank

Answer:

Step-by-step explanation:

The concept of binomial probability is applied.

Mathematically from binomial probability ; (nCx)px(1−p)(n-x)

The detailed step by step is as shown in the attachment

7 0
3 years ago
I'd really appreciate it if anyone could help! :)
Ahat [919]

Answer:

The given table represents a function f(x) = y = 2x+3

The upper graph

Step-by-step explanation:

We will write the equation of the right line in the explicit (slope) form

y = ax+b

We will take two points from the given table

A(-1,1) and B(0,3) and insert their coordinates in the equation y=ax+b and get

A(-1,1)  => 1 = (-1)*a+b => -a+b=1

B(0,3) => 3=0*a+b => 3= 0+b => b=3

Now we will insert b=3 in the equation -a+b=1 and get

-a+3=1 =>  a=3-1 => a=2

Now we will insert a=2 and b=3 in the equation y=ax+b and get

equation of the function  

y = 2x+3 = f(x)  The upper graph.

Good luck!!!

5 0
3 years ago
What is 2/5 written as a decimal?<br><br> A. 0.25<br><br> B. 0.4<br><br> C. 2.5<br><br> D. 5.2
amid [387]
\frac{2}{5}=\frac{2 \times 2}{5 \times 2}=\frac{4}{10}=\boxed{0.4} \Leftarrow \hbox{answer B}
3 0
4 years ago
Read 2 more answers
6. Which shape has a larger area: a rectangle that is 7 inches by inch, or a square with
RoseWind [281]

Answer:

Rectangle = L x b = 7 x 7 = 49 inch^2

square = a^2 = 2^2=4 inch^2

Therefore the area of rectangle is more because it's area is greater than square

rectangle 's area > square's area.

5 0
4 years ago
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