algebra

if you spell Paris and each letter is on a different card that is replaced when you put it back in the hat what is P(r, then a vowel)?

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asked by blaine
  1. So the problem is :
    Pull out 2 letters out of 5 distinct letters {P, A, R, I, S} from a hat with replacement. Need P(R,vowel)
    P(R)=1/5
    P(vowel)=2/5
    With replacement, the two draws are independent, so multiplication rule applies.

    P(R,vowel)=(1/5)*(2/5)=2/25

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