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    cari1966's Avatar
    cari1966 Posts: 8, Reputation: 1
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    #1

    Jul 9, 2012, 11:04 AM
    find the probabilty events
    Let s={1,6,11,16,21,26}, E={6,16,26}, and G={21,26} Find the event E F AND G. Upside down u in between each letter. If there are no elements in the set, enter NONE
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    ebaines Posts: 12,130, Reputation: 1307
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    #2

    Jul 9, 2012, 11:08 AM
    The Upside down u" is the "and" symbol , so you are looking for any elements that are contained in all three sets - are there any? And though you called the first set "s" I think you meant "F," correct?
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    cari1966 Posts: 8, Reputation: 1
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    #3

    Jul 9, 2012, 03:35 PM
    Quote Originally Posted by ebaines View Post
    Teh
    Upside down u" is the "and" symbol , so you are looking for any elements that are contained in all three sets - are there any? And though you called the first set "s" I think you meant "F," correct?
    I left out the f={1,11,21}. So would the answer be 21,26 or does it mean included in all E,F,G which would be none,because there is none that are in each one?
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    ebaines Posts: 12,130, Reputation: 1307
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    #4

    Jul 10, 2012, 07:35 AM
    if F={1,11,21} then it has no common elements with E={6,16,26}. So the intesection of is the null set.

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