Drawing fuses out of box, A box contains ten fuses of which

Drawing fuses out of box

Reference no: EM13103723

1. A box contains ten fuses of which 3 are defective. Two fuses are selected at random from the box without replacement. What is the probability that exactly one of the fuses selected is defective?

2. A box contains one hundred fuses of which 30 are defective. Ten fuses are selected at random from the box with replacement. What is the probability that no more than 4 of the fuses selected are defective?

Reference no: EM13103723

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