math 8th please help

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a teaher chooses a student at random from a class of 10 boys and 15 girls. Find the odds favor of and for the odds against each event.

1. choosing a girl
2. choosing a boy

i don't understand what the odds of something would be

  • math 8th please help -

    First, find the total amount of students in the class. 10+15=25.
    There are 10 girls so the odds of choosing a girl are 10/25, reduced to be 2/5
    There are 15 boys so the odds of choosing a boy are 15/25, reduced to be 3/5

    The answers are
    1. 2/5, or 2 out of 5
    2. 3/5, or 3 out of 5

  • math 8th please help -

    i thought that was probability...... sorry i must have messed up big time on my homework then

  • math 8th please help -

    It is strange that i am in 7th grade and I know this and you do not....

    Choosing a girl at random is more likely to happen because there are 5 more girls than boys.

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