Results 1 to 2 of 2

Thread: Probability

  1. #1
    Newbie
    Joined
    Feb 2018
    From
    Jacksonville,Florida
    Posts
    2

    Probability

    Suppose P(C|D) =0.59, P(D) =0.44, and P (D|C) =0.38. What is P(C) rounded to two decimal places? A) 0.42 b) 0.57 c) 0.68 d) 0.34?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor

    Joined
    Aug 2006
    Posts
    22,025
    Thanks
    2944
    Awards
    1

    Re: Probability

    Quote Originally Posted by xanxan0710 View Post
    Suppose P(C|D) =0.59, P(D) =0.44, and P (D|C) =0.38. What is P(C) rounded to two decimal places? A) 0.42 b) 0.57 c) 0.68 d) 0.34?
    $\begin{gathered}
    {\text{P(C|D) = 0}}{\text{.59}} \Rightarrow P(C \cap D) = (0.59)(0.44)\text{ Why ?} \hfill \\
    P(D|C) = 0.38 \to P(C \cap D) = (0.38) \cdot P(C)\text{ Why ?} \hfill \\ \end{gathered}$

    Set equal and SOLVE!
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 0
    Last Post: Apr 11th 2017, 12:44 AM
  2. Replies: 1
    Last Post: May 6th 2013, 10:29 AM
  3. Replies: 0
    Last Post: May 5th 2013, 07:32 PM
  4. Replies: 1
    Last Post: Jul 11th 2012, 05:42 AM
  5. Replies: 1
    Last Post: Feb 18th 2010, 01:54 AM

/mathhelpforum @mathhelpforum