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You are performing two chemistry experiments. The probability that both experiments are successful is 22%. If the first experiment is successful, the probability that the second experiment is also successful is 31%. What is the probability that the first experiment is successful?

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There are numerous information's already given in the question. Based on those information's, the answer can be easily deduced. Let us now focus on the problem in hand.
Probability that both experiments become successful = 22%
Probability of the second experiment becoming successful = 31%
Probability that the
 first experiment becoming successful = 22/31
                                                             = 0.7096
Percentage that the first
experiment will become successful = 0.7096/100
                                                         = 70.97%

The probability that the first experiment is successful is 0.7096 or 70.97%.

What is Probability ?

The chance that a particular event (or set of events) will occur expressed on a linear scale from 0 , not possible to 1 , certain .

It is also expressed as a percentage between 0 and 100%.

Probability that both experiments become successful = 22%

Probability of the second experiment becoming successful after the first experiment is successful  = 31%

Probability that the first experiment becoming successful = 22/31

                                                            = 0.7096

Percentage that the first experiment will become successful = 0.7096/100

                                                        = 70.97%

Therefore the probability that the first experiment is successful is 0.7096 or 70.97%

To know more about Probability

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