algebra

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This is a response to bobpursley's answer of Pr(0) = .3; Pr(1) = 7*.3; Pr(2) = 7*.7.

Can you show me how you arrived at the above answers? Also, what does * mean?

Thanks.

  • algebra -

    a basketball player shoots 70% of freethrows he has a 1 an 1 what is the probability of him shooting o,1,2 points

    * algebra - bobpursley, Sunday, January 2, 2011 at 12:41pm

    Pr(0)=.3
    Pr(1)= .7*.3
    pr(2)=.7*.7
    ----------------------------------
    * means times, multiply
    probability of success on any throw = .7
    thus
    probability of failure on any throw = .3

    probability of his missing first shot = .3

    probability of his making first. missing second = .7 * .3 = .21

    probability of his making first, then making second = .7 * .7 = .49

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