QUESTION IMAGE
Question
lees yummy food store sold 15 biscuits. three of them were rye biscuits. what is the experimental probability that the next biscuit sold will not be a rye biscuit? write your answer as a decimal rounded to the nearest hundredth.
Step1: Calcular el número de biscochos que no son de centeno
El número total de biscochos es \(15\). El número de biscochos de centeno es \(3\). Entonces, el número de biscochos que no son de centeno es \(15 - 3=12\).
Step2: Calcular la probabilidad experimental
La fórmula de la probabilidad experimental es \(P=\frac{\text{número de casos favorables}}{\text{número total de casos}}\). Aquí, el número de casos favorables (biscochos que no son de centeno) es \(12\) y el número total de casos es \(15\). Entonces, \(P = \frac{12}{15}\).
Simplificando \(\frac{12}{15}=\frac{4}{5}=0.80\)
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\(0.80\)