Math 7 - NYS Math Exam Review Help! (Q2)

9. Eric's mother wants to help him with his math homework. She puts 24 cookies in a cookie jar. Twelve (12) of the cookies are chocolate chip, 8 are oatmeal, and 4 are peanut butter. She then has Eric select a cookie from the jar without looking. Next, without replacing the first cookie, Eric picks a second cookie without looking in the jar, What is the probability Eric will pick an oatmeal cookie first and a chocolate chip cookie second?

a) 1/6
b) 4/23
c) 5/6
d) 59/69
23/24 x 22/24????

Please Help!!!!

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  3. 👁 965
  1. oatmeal
    8/24
    pb
    4/23

    8/24 * 4/23 = 4/69

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  2. how did you got 8/24 * 4/23 = "4/69"?????????????????????

    8 x 4 = 32
    and
    24 x 23 = 552

    plus it not in one of the answers

    but there's 4/23

    please help

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  3. first test is oatmeal
    there are 8 oatmeal cookies out of the 24 in the jar so the probability of pulling an oatmeal cookie out is 8/24 = 1/3

    Then we have 23 cookies in the jar and 12 are chocolate chip (sorry I did peanut butter)
    so
    1/3 * 12/23 = 4/23

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  4. thank you

    thats weird because when you put 4/69 i knew the answer was 4/23

    thanks

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