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Probabilità
Matematica
Middle School Math
Algebra

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Probabilità
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 1 Beetles have hit the potato crop in Crumb County hard this year. On average about30% of the plants in the fields have been damaged by beetles. If you went to a local field of potatoes and randomly inspected one hundred seventeen plants, about how many would you expect to find with beetle damage?
 2 Quanti5-letter combinations are possible from the first eight letters of the alphabet?
 3 *Questa è una scheda preparata.Utilizza il link nella parte superiore della pagina per ottenere una pagina stampabile.
 4 Grace shows her friend Abigail a deck of cards. Assuming the cards in the deck are randomly distributed, what is the probability that Grace draws an ace and does not replace it, and then draws another ace?
 5 There is a certain book at the school library that has four hundred sixty-eight pages. If the probability that you will open the book to any page at random and find a picture is9%, how many pages in the book have pictures on them? Assume that the pictures are randomly distributed throughout the book.
 6 Jason counts the grasshoppers in the garden on Monday. He finds twenty-seven big ones and ten small ones. On Tuesday he counts them again. This time he counts a total of ninety-three grasshoppers. What is a reasonable prediction to make as to how many of the grasshoppers were large ones when he counted them on Tuesday?

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Iscritti a edHelper - Crea un nuovo stampabile
La soluzione include anche le domande
La soluzione fornisce solo le risposte
Nessuna soluzione