3 years ago

I know the answers to this problem. I will give brainiest to the first one who ANSWER IS CORRECT.

Mathematics

1 answer:

const2013 [10]3 years ago

3 0

Answer:

24240300

Step-by-step explanation:

multiply the numbers thand divide by 2.

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Sixty percent of the students at a certain school wear neither a ring nor a necklace. Twenty percent wear a ring and 30 percent

Reptile [31]

Answer:

0.4

Step-by-step explanation:

Given

60 % wear neither ring nor a necklace

20 % wear a ring

30 % wear necklace

This question can be Solved by using Venn diagram

If one person is choosen randomly among the given student the probability that this student is wearing a ring or necklace is

$P\left ( wear \ ring\ or \ necklace )+P\left ( neither\ ring\ or\ necklace)=1$

$P\left ( wear \ ring\ or\ necklace )=1-0.6=0.4$

The sum of probabilty is equal to 1 because it completes the set

Therefore the required probabilty is 0.4

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Step-by-step explanation:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Plss give brainliest?

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