Pregunta
In a group of 200 car buyers, 60 bought alarm syatems, 50 bought heated seats, and 30 bought an alarm syetem and heated seata. Il a car buyer ehosen at random bought an alarm syetem, what is the probabilly thoy also bought heated seate?
25%
50%
20%
2%
QUESTION is
A POINTA
How many words, with or without meaning, ean be formed using the letters in the word "WARRIOR’?
2401
49
5040
343
25%
50%
20%
2%
A POINTA
2401
49
5040
343
Ask by Huff West. in the United States
Jan 25,2025
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
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Probability Question:
50%
50%
Permutation Question:
5040
5040
Solución

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Como
Beyond the Answer
To find the probability that a car buyer who bought an alarm system also bought heated seats, we use the formula: P(Heated Seats | Alarm System) = P(Heated Seats and Alarm System) / P(Alarm System). Here, there are 30 who bought both, and 60 who bought alarm systems, giving us a probability of 30/60 = 0.5 or 50%.
When it comes to forming words from “WARRIOR,” we can treat the letters as a multiset due to the repeating letters. There are 7 letters in total—3 R’s, 1 W, 1 A, 1 I, and 1 O. The formula for permutations of a multiset is n! / (n1! * n2! * … * nk!). For “WARRIOR,” that would be 7! / (3!) = 5040 different arrangements.

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