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masha68 [24]
3 years ago
14

A cube has six sides that are numbered 1 to 6. The sides numbered 1, 2, and 5 are green, and the sides numbered 3, 4, and 6 are

red. What is the probability of rolling the cube and getting a green or even number?
0
5/6
1
Mathematics
2 answers:
Masteriza [31]3 years ago
6 0

Answer:

P(A\cup B)=\dfrac{5}{6}

B is correct.

Step-by-step explanation:

A cube has six sides that are numbered 1 to 6.

The sides numbered 1, 2, and 5 are green.

The sides numbered 3, 4, and 6 are red.

Sample Space: 1G, 2G, 5G, 3R, 4R, 6R

We need to find the probability of rolling the cube and getting a green or even number.

Let A be event getting green and B be event getting even number.

P(A)=\dfrac{3}{6}

P(B)=\dfrac{3}{6}

P(A\cap B)=\dfrac{1}{6}

The probability of rolling the cube and getting a green or even number.

P(A\cup B)=P(A)+P(B)-P(A\cap B)

P(A\cup B)=\dfrac{3}{6}+\dfrac{3}{6}-\dfrac{1}{6}

P(A\cup B)=\dfrac{5}{6}

Hence, The probability of rolling the cube and getting a green or even number is 5/6

gayaneshka [121]3 years ago
5 0
5/6 because 1 and 5 are odd numbers
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