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

    Apr 26, 2009, 05:12 PM
    solving probability
    Jane has two tennis serves, a hard serve and a soft serve.
    Her hard serve is in (a good serve) 50% of the time, and
    Her soft serve is in (good) 75% of the time. If her hard
    Serve is in, she wins 75% of her points. If her soft serve is
    In, she wins 50% of her points. Since she is allowed to reserve
    One time if her first serve is out, what should her
    Serving strategy be? That is, should she serve hard followed
    By soft; both hard; soft followed by hard; or both
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
    Uber Member
    		  
    #2

    Apr 26, 2009, 07:25 PM

    Here, you can draw a probability tree and find the probability in each case. This will show you where does she get the most probability to have high points.
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