1.

A box contains 400 electronic toy cars. Among them, 12 are defective. One toy is taken out at random. What is the probability thata. It is a defective toy. b. It is a non-defective toy.

Answer»

Total number of cars = 400

Number of defective toys = 12

Number of non-defective toys = 400 – 12 = 388

a. Probability of getting a defective toy = \(\frac{12}{400}=\frac{3}{100}\)

b. Probability of getting a non-defective toy = \(\frac{388}{400}=\frac{97}{100}\)



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