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schepotkina [342]
2 years ago
12

Ano lucia esta promovendo uma rifa, para ajudar a pagar o tratamento de saude de uma amiga. Os bilhetes da fira sao numerados de

1 a 100. A probabilidade do bilhete sorteado ser um numero impar maior que 60 e: a)2/5 b)1/5 c)3/5 d)1/4
Mathematics
1 answer:
olga nikolaevna [1]2 years ago
8 0

Answer:

Step-by-step explanation:

Recall :

Probability of event A :

P(A) = number of required outcome / Total possible outcomes

Required outcome = odd number greater than 60

Odd numbers = numbers bit divisible by 2

Odd number > 60 : {61, 63,65,67, 69,71,73,75,77,79,81,83,85,87,89,91,93,95,97,99}

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