
Prerequisiti Statistica-Probabilità
Authored by Giulia Lerda
Mathematics
9th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Come si calcola la somma di due frazioni?
Somma = (numeratore1 * denominatore1) / (numeratore2 * denominatore2)
Somma = (numeratore1 * denominatore2 + numeratore2 * denominatore1) / (denominatore1 * denominatore2)
Somma = (numeratore1 + numeratore2) / (denominatore1 + denominatore2)
Somma = (numeratore1 * denominatore2) / (denominatore1 * denominatore2)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è la rappresentazione grafica di una percentuale?
Un diagramma a radar
Un diagramma a dispersione
Un diagramma a torta o un diagramma a barre
Un diagramma a linea
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quante facce ha un dado ?
3
10
4
6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quante sono le carte di cuori in un mazzo di 52 carte?
20
4
10
13
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cosa sono gli insiemi numerici?
Insiemi di lettere
Collezioni di animali
Collezioni di numeri di diversi tipi
Gruppi di colori
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dati gli insiemi A e B, che operazione indica la scrittura A U B ?
L'intersezione di due insiemi
La differenza di due insiemi
Il prodotto cartesiano di due insiemi
L'unione di due insiemi
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Come si rappresentano i dati in una tabella a doppia entrata?
I dati vengono rappresentati con numeri e lettere.
I dati vengono rappresentati con punti e virgola.
I dati vengono rappresentati con righe e colonne.
I dati vengono rappresentati con immagini e video.
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