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    vonda_smith's Avatar
    vonda_smith Posts: 1, Reputation: 1
    New Member
     
    #1

    Feb 26, 2017, 12:35 PM
    What is the probability of DOT-compliant helmet use by region of the country? What re
    Here's the data they give you:
    Region Dot Compliant Non Compliant
    Northwest 96 62
    Midwest 86 43
    South 92 49
    West 76 16
    Total 350 170
    Curlyben's Avatar
    Curlyben Posts: 18,506, Reputation: 1860
    BossMan
     
    #2

    Feb 26, 2017, 12:50 PM
    What do YOU think ?
    While we're happy to HELP we wont do all the work for you.
    Show us what you have done and where you are having problems..
    ebaines's Avatar
    ebaines Posts: 12,132, Reputation: 1307
    Expert
     
    #3

    Feb 27, 2017, 07:58 AM
    Suggest you start with one region - such as the northwest - and determine how many are compliant out of the total sample size. Post back with your attempt at that one and we'll check it for you . Then you can go on and do calculations for the other regions.

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