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Matemáticas
Middle School Math
Álgebra

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 1 Joshua found a snake in the yard a total of ten times (on different days) during last year. Assuming last year was a non-leap year, what is the probability Joshua will find a snake in his yard on any particular day?
 2 Luis and Joseph go to the mall parking lot on weekends to see if they can find any loose change. People tend to lose small amounts of money in the parking lot. Over the past year they have kept track of how much money they have found. They found eleven quarters, three fifty-cent pieces, twenty-five dimes, thirty-two nickels, and two hundred eighty-six pennies. What is the probability that the next coin they find will be worth more than ten cents? State your answer as a percent to the nearest percent.
 3 Ryan counts the grasshoppers in the garden on Monday. He finds twenty-two big ones and eight small ones. On Tuesday he counts them again. This time he counts a total of ninety-six grasshoppers. What is a reasonable prediction to make as to how many of the grasshoppers were large ones when he counted them on Tuesday?
 4 Robert bought a die at the magic shop. He rolls it 139 times and gets the following results. A 1 twenty-five times, a 2 twenty-six times, a 3 twenty-three times, a 4 nineteen times, a 5 seventeen times and a 6 twenty-nine times. What is the probability he will get a 6 on the next roll?
 5 Last night, Jasmine counted the number of instant messages she received. She received four from Justin, five from Jasmine, three from James, ten from Steven, and twenty from her best friend (and very chatty) Sierra. She turned on her computer. What is the probability that the first instant message she receives is from Sierra?
 6 Stephanie is monitoring the aircraft that fly over her house on their way to land at the local airport. Over the course of the week she counted 20 two-engine jets, 12 propeller driven planes, and 16 four-engine jets. Based on her data, what is the probability that the next aircraft to fly over will be a propeller driven plane?

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suscriptores de edHelper - Cree un imprimible nuevo
Clave también incluye las preguntas
La hoja de respuestas sólo da las respuestas
Sin clave de respuestas