Suppose one of three bells rings first each day. Each day the bells are rung in random order. What is the probability that the same bell rings first three days in a row?

1/9

Step-by-step explanation:

The probability of a bell ringing one day is 1/3. There is a 1/6 chance of the same bell ringing again.

Step-by-step explanation:

Let:

The area of the cardboard can be calculated using the formula to find the area of a rectangle:

The area of the new cardboard would be:

So:

Solving for h:

Therefore, the dimensions of the initial cardboard are:

Translation:

Sea:

El área de la cartulina se puede calcular usando la fórmula para encontrar el área de un rectángulo:

El área de la nueva cartulina sería:

Entonces:

Resolviendo para h:

Por lo tanto, las dimensiones de la cartulina inicial son: