Question

If a circuit contains four automatic switches and we want that, with a probability of 99%, during a given time interval the switches to be all working, what probability of failure per time interval can we admit for a single switch?​

Answer 1

The probability of failure per time interval can we admit for a single switch is 25%.

The probability formula is described as the opportunity of an occasion to show up is equal to the ratio of the number of beneficial results and the total variety of consequences. probability of occasion to manifest P(E) = quantity of beneficial consequences/overall quantity of effects.

The chance of an event can be calculated by means of chance formulation by means of without a doubt dividing the favorable range of consequences through the whole range of possible effects.

Probability offers facts approximately the chance that something will appear. Meteorologists, as an example, use climate styles to predict the probability of rain. In epidemiology, the chance principle is used to recognize the relationship between exposures and the danger of health results.

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