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Question:


maganda123

At a roadside market, 35% of purchaces are between $10.00 and $20.00. The probability a customer will be male is 60%.(continued down)

(continued)what is the probability that a customer will be female and will make purchase between $10.00 and $20.00?

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Posted by maganda123 on Tuesday November 4, 2008 at 11:56 PM and tagged with math, probability.

Answers:

  1. msj411
    msj411 Teacher
    High School - 9th Grade

    Since theP(Male) = 60% then P(Female)=40% multiply that by 35 % and you get the probability of female making a purchase between $10 & $20 

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    Posted by msj411 on Wednesday November 5, 2008 at 4:29 PM

  2. msj411
    msj411 Teacher
    High School - 9th Grade

    If the prob of a male is 60% then the prob of femal is 40%  Multiply the 40% and the 35 % to get the prob of femal AND purchase between 10 & 20

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    Posted by msj411 on Wednesday November 5, 2008 at 4:38 PM


  3. ladyvols1 Teacher
    High School - 9th Grade

    eNotes Editor

    60:35 = 40:X

    60X = 35(40) 60X = 1400

    X = 1400/60

    X =23.33% That a woman will spend between 10-20 dollars. 

    Sources:
    http://www.enotes.com/sat-prep/introduction-word-problems
    http://www.purplemath.com/modules/ratio2.htm

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    Posted by ladyvols1 on Wednesday November 5, 2008 at 4:58 PM