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riadik2000 [5.3K]
3 years ago
6

And a class of 30 children’s 60% of the children are girls how many girls are in the class

Mathematics
1 answer:
drek231 [11]3 years ago
3 0

Answer:

18 girls

Step-by-step explanation:

60%=60/100=6/10=3/5

3/5 of the class are girls.

So 3/5*30 students are girls.

So 3*6 students are girls.

So 18 students are girls.

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And we can find this probability like this:

P(Y>1 \cap Y

And we can replace the values and we got:

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For this case we define the random variable Y as: the number of slices of cheesecake left on the platter after the first serving. And we have the following distribution for Y:

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And we want to find the following probability:

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And we can find this probability like this:

P(Y>1 \cap Y

And we can replace the values and we got:

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