Question 183263
2. Seven sisters have to choose which day each will wash the dishes. They put equal size pieces of paper each labeled with a day of the week in a hat. What is the probability that the first sister who draws will choose a weekend day?
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There are 2 weekend days.
There are 7 days in the week
P(1st draw is weekend) = 2/7
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3. For his garden, Clay has a mixture of 12 white corn seeds, 24 yellow corn seeds, and 16 bi-color corn seeds. If he reaches for a seed without looking, what is the probability that Clay will plant a bi- color corn seed first?
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# of bi-color seeds is 16
Total # of seeds is 52
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P(selecting a bi-color seed) = 16/52 = 4/13
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4. Alex has a paper bag of cookies that includes 8 chocolate chip, 4 peanut butter, 6 butterscotch chip, and 12 ginger. Without looking, his friend John reaches in the bag for a cookie. What is the probability that the cookie is peanut butter?
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# of peanut butter cookies is 4
Total # of cookies is 30
P(select peanut butter) = 4/30 = 2/15
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Cheers,
Stan H.