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  • Random Sampling Probability Puzzle

    ISHAN TOPRE

    Member

    Updated: Oct 22, 2024
    Views: 1.2K
    A random sample of 200 adults is classified is below according to gender and level of education attained

    [TABLE="class: grid"]
    [TR]
    [TD]Education[/TD]
    [TD]Male[/TD]
    [TD]Female[/TD]
    [/TR]
    [TR]
    [TD]Elementary[/TD]
    [TD]38[/TD]
    [TD]45[/TD]
    [/TR]
    [TR]
    [TD]Secondary[/TD]
    [TD]28[/TD]
    [TD]50[/TD]
    [/TR]
    [TR]
    [TD]College[/TD]
    [TD]22[/TD]
    [TD]17[/TD]
    [/TR]
    [/TABLE]



    If a person is selected at random from this group, find the probability that-
    1. The person is male provided given that the person has secondary education
    2. The person does not have a college degree, given that the person is a female.
    0
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Replies

  • Reya

    Member • Sep 15, 2011

    O.36 and 0.85?
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  • Reya

    Member • Sep 15, 2011

    Method:

    M-a person is a male
    S-a person has a secondary education
    C-a person has a college degree

    a)P(M/S)=28/78
    b)P(C'/M')=95/112
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  • CIVILPRINCESS

    Member • Sep 15, 2011

    Reya
    Method:

    M-a person is a male
    S-a person has a secondary education
    C-a person has a college degree

    a)P(M/S)=28/78
    b)P(C'/M')=95/112
    even i'm getting the same answer! 😀
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