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Wahrscheinlichkeit
Mathematik
Middle School Math
Algebra

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 Name _____________________________ Date ___________________
Wahrscheinlichkeit
Ganze.

 1 The Ramirez family grew a large crop of sunflowers this year. As they were collecting the seeds and drying them, naturally they ate some to see how they tasted. In all they opened about two hundred seeds. Some of them they could not eat (about25) because there was no embryo inside. In eight cases they could not eat the seed because there was a worm inside. Assuming these results are typical for the entire crop, as they eat the seeds throughout the year, what is the probability that any particular seed chosen at random will be edible? State your answer as a percent rounded to the nearest tenth of a percent.
 2 Eric lives in Montana. On a bus trip across the state he looks out the window and sees where other vehicles are from. On the trip he sees175vehicles with Montana plates and35with non-Montana plates. On the trip back the next day, what is the probability that the first car he sees is from Montana?
 3 Last night, Jennifer counted the number of instant messages she received. She received six from Devin, six from Jennifer, five from Tyler, eight from Robert, and twenty-five from her best friend (and very chatty) Makayla. She turned on her computer. What is the probability that the first instant message she receives is from Makayla?
 4 Daniel found a snake in the yard a total of fifteen times (on different days) during last year. Assuming last year was a non-leap year, what is the probability Daniel will find a snake in his yard on any particular day?
 5 Hailey, Kaylee, and Caleb are running for class president. Michael surveyed forty students. Seventeen students plan to vote for Hailey, nine plan to vote for Kaylee, three students do not plan to vote, and the rest of the students she surveyed plan to vote for Caleb. What is the probability that the next student surveyed plans to vote for Caleb?
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edHelper Abonnenten - Erstellen Sie einen neuen Ausdruck
Die Lösung enthält auch die Fragen
Die Lösung gibt nur die Antworten
Keine Lösung