Question

1) A cycle tyre company Supplies tyres in bundles ,each having 10.There is a chance of having 1 defective tyre of each 500 tyres.
Then out of 1000 bundles, approximately how many bundles do not having defective tyres

Answer 1

Answer:

980 bundles do not have defective tyres.

Step-by-step explanation:

Number of tyres In one bundle = 10 tyres

Number of tyres in 1000 bundles = 1000 × 10 = 10,000 tyres

∵ Chance of having 1 defective tyre of each 500 tyres.

∴ Number of defective tyres in 10,000 tyres = $\frac{10000}{500}$

                                                                         = 20 tyres

In 1000 bundle the number of bundles do not have defective tyres

                                                              = 1000 - 20 = 980 bundles

980 bundles do not have defective tyres.

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