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bezimeni [28]
3 years ago
9

En un día de temporal de lluvia el meteorólogo dijo en las noticias que la probabilidad de que lloviera ese día era del 70%. ¿Qu

é significa ese dato?
Mathematics
1 answer:
drek231 [11]3 years ago
5 0

Answer:

Vamos a definir:

100% probabilidad de lluvia = Es seguro que ese día va a llover.

0% probabilidad de lluvia = Es seguro que ese día no va a llover.

Ahora, los valores intermedios admiten una dualidad, es decir, es posible que llueva o que no.

Particularmente en el caso del 70% significa que:

Si tenemos un dado de 10 caras, con los números {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

Y lo tiráramos, los resultados {1, 2, 3, 4, 5, 6, 7} indicarían que llueve.

Los resultados {8, 9, 10} indicarían que no llueve.

Entonces es mas probable que llueva, pero la probabilidad de que no llueva no es despreciable.

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7 and 4

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19,073,486,328,125

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2 years ago
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4 years ago
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a two digit number has three times as many tens than ones. The difference between the number and twice the reversed number is 15
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Verified by Toppr

Let the one's digit be y and tens digit be x,

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Then,x=3y⋯(i)

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⇒9x−9y=36

⇒x−y=4⋯(ii)

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