A survey on favourite soft drinks shows that 38% like Mountain Dew, 47% like Coke, and 35% do not like either. Use this information to answer questions #14 - 15.14) What is the probability that a randomly person likes Mountain Dew OR Coke? 1 pointYour answer15) What is the probability that a randomly person likes only one of these two soft drinks? 1 point
Question
A survey on favourite soft drinks shows that 38% like Mountain Dew, 47% like Coke, and 35% do not like either. Use this information to answer questions #14 - 15.14) What is the probability that a randomly person likes Mountain Dew OR Coke? 1 pointYour answer15) What is the probability that a randomly person likes only one of these two soft drinks? 1 point
Solution
Para resolver estas preguntas, primero necesitamos entender la información proporcionada y luego aplicar las reglas de probabilidad adecuadas.
Pregunta 14:
¿Cuál es la probabilidad de que una persona al azar le guste Mountain Dew O Coke?
Para encontrar la probabilidad de que una persona le guste Mountain Dew o Coke, utilizamos la fórmula de la unión de dos eventos en probabilidad:
Donde:
- es la probabilidad de que le guste Mountain Dew.
- es la probabilidad de que le guste Coke.
- es la probabilidad de que le guste tanto Mountain Dew como Coke.
De la información proporcionada:
Primero, encontramos la probabilidad de que le guste al menos uno de los dos refrescos:
Ahora, sabemos que:
Entonces, podemos usar la fórmula de la unión para encontrar :
[ 0.65 = 0.85
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