A sample of 4 different calculators is randomly selected from a group containing 19 that are defective and 36 that have no defec

Question

Vilka [71]

3 years ago

7

A sample of 4 different calculators is randomly selected from a group containing 19 that are defective and 36 that have no defec

ts. what is the probability that at least one of the 4 calculators in the sample is defective?

Mathematics

1 answer:

Liono4ka [1.6K] · Answer 1 · 2022-04-27T18:34:31+03:00

Liono4ka [1.6K]3 years ago

6 0

The probability of all calculators having no defects is 16.8%. The probability of at least one defect is the complement of that probability.
ie an 83.2% probability of at least one defect.