Levi buys a bag of cookies that contains 6 chocolate chip cookies, 9 peanut butter cookies, 8 sugar cookies and 8 oatmeal cookie s. What is the probability that Levi reaches in the bag and randomly selects 2 peanut butter cookies from the bag
1 answer:
Answer:
12/155
Step-by-step explanation:
<u>Total number of cookies:</u>
<u>Probability of getting a peanut butter cookie at first attempt is 9 out of 31:</u>
<u>Probability of getting a peanut butter cookie at second attempt is 8 out of 30 as one already taken and the total number has changed as well:</u>
<u>Probability of getting 2 peanut butter cookies is the product of each probability we got above:</u>
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Step-by-step explanation:
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Step-by-step explanation: