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    coolestgal's Avatar
    coolestgal Posts: 2, Reputation: 1
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    #1

    Mar 8, 2011, 10:51 PM
    probability
    In a management class of 100 students' three languages are offered as an additional subject viz. Hindi, English and Kannada. There are 28 students taking Hindi, 26 taking Hindi and 16 taking English. There are 12 students taking both Hindi and English, 4 taking Hindi and English and 6 that are taking English and Kannada. In addition, we know that 2 students are taking all the three languages.
    I) If a student is chosen randomly, what is the probability that he/she is not taking any of these three languages?
    ii) If a student is chosen randomly, what is the probability that he/ she is taking exactly one language?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Mar 9, 2011, 03:10 AM

    See this thread:

    https://www.askmehelpdesk.com/mathem...ml#post2726489
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #3

    Mar 9, 2011, 06:14 AM
    Quote Originally Posted by coolestgal View Post
    In a management class of 100 students' three languages are offered as an additional subject viz. Hindi, English and Kannada. There are 28 students taking Hindi, 26 taking Hindi and 16 taking English. There are 12 students taking both Hindi and English, 4 taking Hindi and English and 6 that are taking English and Kannada. In addition, we know that 2 students are taking all the three languages.
    i) If a student is chosen randomly, what is the probability that he/she is not taking any of these three languages?
    ii) If a student is chosen randomly, what is the probability that he/ she is taking exactly one language?
    You have a typo:

    There are 28 students taking Hindi, 26 taking Hindi and 16 taking English.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #4

    Mar 9, 2011, 06:16 AM

    And this amazes me how people can come ask a question, and even having been replied to, will ignore it and ask the same replica of the question they initially asked...
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #5

    Mar 9, 2011, 07:07 AM

    Man, you hit that nail on the head, U. Rather perplexing, isn't it? Or, post a problem, it gets answered, then never hear from them again.
    I believe they repost the same problem if it hasn't been answered to their satisfaction. They probably want a step-by-step solution. If it is not given, try posting again.
    pankajsingh360's Avatar
    pankajsingh360 Posts: 1, Reputation: 1
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    #6

    Sep 4, 2011, 08:29 AM
    In a management class of 100 students’ three languages are offered as an additional subject viz. Hindi, English and Kannada. There are 28 students taking Hindi, 26 taking Hindi and 16 taking English. There are 12 students taking both Hindi and English, 4 taking Hindi and English and 6 that are taking English and Kannada. In addition, we know that 2 students are taking all the three languages.
    I) If a student is chosen randomly, what is the probability that he/she is not taking any of these three languages?
    ii) If a student is chosen randomly, what is the probability that he/ she is taking exactly one language?
    In a management class of 100 students’ three languages are offered as an additional subject viz. Hindi, English and Kannada. There are 28 students taking Hindi, 26 taking Hindi and 16 taking English. There are 12 students taking both Hindi and English, 4 taking Hindi and English and 6 that are taking English and Kannada. In addition, we know that 2 students are taking all the three languages. I) If a student is chosen randomly, what is the probability that he/she is not taking any of these three languages? ii) If a student is chosen randomly, what is the probability that he/ she is taking exactly one language?
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