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EleoNora [17]
3 years ago
13

The ratio of blue pens to black pens in a box is 3:5 what fraction of the pens are black

Mathematics
2 answers:
guapka [62]3 years ago
7 0
5/8 or 3/8 Ideny Sergio do rn verbo oden tuff jujue ggjvre jugará
11Alexandr11 [23.1K]3 years ago
5 0

Answer:

5/8

Step-by-step explanation:

3+5=8

there are 8 parts altogether

5/8

i hope i helped<3

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Min is about to roll a six-sided number cube. What is the experimental probability that she will roll an even number based on he
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Answer:

Therefore the experimental probability that she will roll an even number is

C ) 0.5

Step-by-step explanation:

Let S be the sample space for the given experiment that to Roll six sided number Cube

∴ S ≡ { 1, 2, 3, 4, 5, 6}

∴ n(S) = 6

Let 'A' be the event of experiment that she will roll an even number

∴ A ≡ { 2, 4, 6 }

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To Find:

P(A) = ?

Solution:

We know that for any experiment probability is given by

\textrm{probability of the experiment}=\dfrac{\textrm{number of favourable outcomes}}{\textrm{total number of outcomes}}

Substituting the values we get

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